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| ruwan [ sales@tnd-electronics.co.uk ] [ http://www.tnd-electronics.co.uk ] Tuesday, 16th August 2011 - 05:41:38 AM | |
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| Marcelo C. Chiesa [ marcelo.chiesa@yahoo.co.uk ] Wednesday, 6th July 2011 - 06:24:20 PM | |
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| tnd-electronics [ ruwanthila@yahoo.co.uk ] [ http://www.tnd-electronics.co.uk/spy-cameras-c-33.html ] Friday, 17th June 2011 - 03:25:53 PM | |
| Great stuff. Nice website. | |
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| cranky old yank Wednesday, 1st June 2011 - 05:04:40 PM | |
| absolutely brilliant & inspiring stuff
arrived here via the IEEE Spectrum article of 2002 very glad i did cheers, cranky old yank |
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| Infrared Home Diagnosis [ david@infraredhomediagnosis ] [ http://www.infraredhomediagnosis.co.uk ] Thursday, 26th May 2011 - 08:15:44 AM | |
| Great electrical site Mike. I like your thermal imaging and infrared sections, I'll be checking back now that i've found this site! | |
| chips etc. [ http://www.chipsetc.com ] Friday, 20th May 2011 - 06:40:17 PM | |
| Neat vintage technology site! Enjoyed learning more about Vacuum Tubes ("Valves") and seeing the early advertisements. | |
| jordi1206 [ jordi156@live.nl ] [ http://google.nl ] Sunday, 17th April 2011 - 12:53:32 AM | |
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| andrew morrision [ andrew.morrison96@yahoo.com ] Wednesday, 13th April 2011 - 04:23:24 PM | |
|
nice website; am a Veterinary doctor, i train & sell puppies find me on facebook (andrew morrison jn) |
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| tnd-electronics [ ruwanthila@yahoo.co.uk ] [ http://www.tnd-electronics.co.uk/index.php ] Saturday, 9th April 2011 - 02:24:16 PM | |
| Thanks for sharing, Great stuff... | |
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| Num Lock Saturday, 26th February 2011 - 07:09:17 AM | |
| Mike, are you planning to start experimenting with the so-called galvanoluminescence? It is similar to electroluminescence but appears during anodizing of aluminium and in old-fashioned electrolytic rectifiers. Here are two links:
http://home.earthlink.net/~lenyr/borax.htm http://www.sas.org/E-Bulletin/2001-11-16/chem/column.html Such a device is much easier to build at home than a standard electoluminescent capacitor. Wouldn't it be great to employ this effect in homemade segmented and other displays? |
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| tnd-electronics [ ruwanthila@yahoo.co.uk ] [ http://www.tnd-electronics.co.uk/index.php ] Friday, 25th February 2011 - 10:03:58 AM | |
| Great site. Keep it up. | |
| lasith [ ruwanthila@yahoo.co.uk ] [ http://www.tnd-electronics.co.uk ] Friday, 25th February 2011 - 03:27:52 AM | |
| Great website. Keep it up. | |
| Securitate [ maman@gmai.com ] [ http://www.electric-zone.info/ ] Sunday, 13th February 2011 - 11:14:45 PM | |
| Good job man, Keep doind | |
| Tony Lebaigue [ tonylebaigue@yahoo.co.uk ] Thursday, 27th January 2011 - 07:47:37 AM | |
| Mike,
I was wandering around the web looking for images of old valves and electrical equipment and fell upon your site - I found some broken links but I must say the site is fascinating and a fantastic repository of a bygone technology. Thanks for setting it up I enjoyed searching through your site very much and am sure I will be back many times. Regards Tony L |
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| Laurens Tuesday, 25th January 2011 - 02:22:48 PM | |
| I have been visiting this website for many years now. It's still good!
Makes me wonder how old this website is. |
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| Grayce [ grayce@sympatico.ca ] [ http://maren.warp0.com/adderall/lauderhill-adderall.html ] Thursday, 13th January 2011 - 05:30:23 PM | |
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| Tuwuh S [ tuwuhs@yahoo.com ] Friday, 7th January 2011 - 09:20:54 AM | |
| I like your website. Very interesting, Mike!
Tubes are cool. |
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| Poul Bundgaard [ poul_bundgaard@hotmail.com ] Monday, 20th December 2010 - 01:43:25 PM | |
| I am very fascinated by your site, one cannot help but admire the ingenuity vested in the various "contraptions" you have on display. | |
| Peter Wood [ wood.compton@tiscali.co.uk ] Saturday, 11th December 2010 - 12:45:59 PM | |
| A fascinating read.I first encountered MAR in the 1940s at a local substation serving trolley buses in Surbiton,Surrey a suburb of London. There was a separate rectifier for each section of line and you could plot the progress of the bus as the rectifiers came into operation and closed again. As an amateur radio enthusiast in later years I used mercury vapour rectifiers, type 83, a little sister to the MAR and employed where the demand for DC supplies could not be met by ordinary diodes. | |
| tiom [ rules_tim@hotmail.com ] Tuesday, 7th December 2010 - 03:53:41 PM | |
| this is a great website!!! | |
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| farrel [ fazhols@hotmail.com ] [ http://www.l-in-e.co.uk ] Wednesday, 24th November 2010 - 10:38:19 AM | |
| Thanks. Looking at my first product with pcb's - gave me the direction I needed. | |
| Doug Coulter [ clab@swva.net ] [ http://www.coultersmithing.com ] Monday, 25th October 2010 - 03:20:40 PM | |
| Mike, nice work here! You seem to be an over achiever, my kinda guy. Glad to know there's a few of us out there!
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| Gary [ prestongary@att.net ] Sunday, 24th October 2010 - 03:04:34 PM | |
| Man after my own heart. love the stuff | |
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| Luca Armellin "Arma" [ im.arma@live.it ] [ http://www.thenextlab.org ] Tuesday, 5th October 2010 - 01:11:32 AM | |
| I'm a 15 years old Italian vacuum tube collector, honest compliments for your website, your vacuum tube collection, and your HV devices and thanks for sharing all these information with us.
Luca |
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| Joe Azzato [ joe@azzato.org ] [ http://www.azzato.org ] Monday, 4th October 2010 - 05:04:31 PM | |
| Hi Mike,
Thanks for sharing such an awesome collection with everyone. I really enjoyed looking through these pages. Thanks, -Joe |
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| Fred [ feinaeugle_m[aet]web [dot] de ] Monday, 4th October 2010 - 08:19:56 AM | |
| Hi Mike,
I am a keen follower of your deconstruction work. To the extend that now I am faced to an engieering problem related to the PICO projector. Do you know the part number/company of the mating connectors (micro stack commectors?)? For my application I would need to have my DMD facing upwards instead of 'looking' into the LED optics. Would be happy about your ideas. Fred |
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| Chuck Freeman [ w0cbf@yahoo.com ] [ http://hamdigits.com ] Saturday, 21st August 2010 - 10:27:15 AM | |
| Very nice site. I long for those years gone by but nice to see them brought back to life on your site. I was searching Google image for "glowing tube filaments" when I came upon it.
Thanks and 73's Chuck WШCBF |
|
| Joe Sousa [ k2w@PhilbrickArchive.org ] [ http://www.philbrickarchive.org ] Friday, 20th August 2010 - 02:17:59 PM | |
| Mike, you may want to add a reference to Gray code to your page describing the vacuum tube Analog-to-Digital converter at http://www.electricstuff.co.uk/glassadc.html.
Apparently, changing the binary coded target shown on this tube to a Gray coded target was one of the first applications for gray code. See on Wikipedia http://en.wikipedia.org/wiki/Gray_code. Frank Gray patented this application in US patent 2632058. Thanks for keep up this wonderful site. -Joe |
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| Alex [ Alex@alex.comnotreally ] Saturday, 17th July 2010 - 01:54:09 AM | |
| Hey, great pcb making guide! | |
| Warner Krelekamp [ warnerthuis@zonnet.nl ] Friday, 16th July 2010 - 03:28:07 PM | |
| I was just looking around for info about nixie tubes. And I found myself reading your website for almost 2 hours! The things about the old tubes. I do have some old stuff from my grand-father, so from the 30's of last century. And all the work on the high-speed camera system... Great job to get 'old' things working again. That's really recycling in my eyes. And thanks for the tip on window drying. Comes in handy. Although my windows are not as large as yours. And my ivy is in the back of my garden.. But still some are wet inside. | |
| Mike Scott [ amikescott@gmail.com ] Sunday, 11th July 2010 - 07:33:24 AM | |
| Just found your site.... excellent..... hope you wont mind some dumb questions when I try and build some of the stuff ?! | |
| Michelle [ info@vtronicstech.com ] [ http://www.vtronicstech.com ] Tuesday, 6th July 2010 - 06:44:08 PM | |
| I think your website stuff is very good for us to reading.
Thanks. |
|
| Mark G [ mark.glover@gmail.com ] Saturday, 19th June 2010 - 11:54:36 AM | |
| Always a pleasure visiting here; be interesting to know what you've been up to recently (hint hint!)
Mark G (inventor of the "IF...THEN SOMETIMES..." construct used by Microsoft in their Wireless Zero Config service) |
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| scabies pictures [ heksla@yahoo.com ] [ http://www.scabiespictures.net ] Friday, 21st May 2010 - 05:03:50 PM | |
| Glad to be here mike | |
| Marv Gozum [ gozum@ieee.org ] Wednesday, 19th May 2010 - 06:26:19 PM | |
| AWESOME Stuff. Good reading you at David Joneses' eevblog site. | |
| Ward Christensen [ N/A ] Sunday, 9th May 2010 - 10:35:33 PM | |
| Lot of cool stuff here!
Thanks for sharing!!! Ward Christensen (inventor of Xmodem & BBSs) |
|
| Redford McMannus [ redford.mcmannus@gmail.com ] Wednesday, 21st April 2010 - 01:27:12 AM | |
| It must be fate...stumbled across this sight days after I finished my electrician course. Cannot wait to put my new know how to the test and make one of those tesla's, it's going to be awesome. | |
| hhzzf2009 [ hhzzf2009@126.com ] Friday, 16th April 2010 - 01:05:13 AM | |
| Nice work on the condensation project.
http://www.laptopbattery-sale.com/sony/sony-vgp-bpl8.htm http://www.notebookbatteryretail.com/dell-inspiron-1525-battery.htm |
|
| ken Wednesday, 14th April 2010 - 12:34:11 AM | |
| i like the muppet alert section | |
| lotos [ erwa@mail.ru ] [ http://tehnic.ucoz.ru/ ] Saturday, 10th April 2010 - 01:31:09 PM | |
| Very nice work, not bad! | |
| lotos [ erwa@mail.ru ] [ http://tehnic.ucoz.ru/ ] Saturday, 10th April 2010 - 01:30:57 PM | |
| Very nice work, not bad! | |
| Josef [ rockguitarstar@hotmail.com ] Sunday, 4th April 2010 - 03:19:36 AM | |
| Hey mate, been looking around for a good pcb prototyping guide for ages. Yours is the most comprehensive I've come across. I like the way you underline and CAPs all the really important bits, it makes it very easy to understand to the process.
Anyway just wanted to say thanks, so Thanks. |
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| Dave Hookings [ dhookings@cix.co.uk ] Thursday, 11th March 2010 - 02:52:57 AM | |
| I've been making home made pcbs for years and everything you advise is almost exactly what I would say. I no longer do etching though, as I have a milling machine and use isolation routing - much cleaner, more accurate, and more satisfying.
Great site. Dave |
|
| Thomas Slatin [ tom@tomslatin.com ] [ http://www.tomslatin.com ] Thursday, 18th February 2010 - 03:41:32 PM | |
| Big Scary Laser! That's funny stuff! I bookmarked your page and will be back soon... Very soon! | |
| lind Wednesday, 27th January 2010 - 12:48:35 AM | |
| Hi Haris ...
good web keep moved |
|
| Faye [ fazeart@hotmail.com ] Sunday, 24th January 2010 - 05:39:48 AM | |
| I inherited a Cooper Hewitt rectifier, 10 amp 125 volt by Westinghouse. The style # is 222324 and has mercury inside. Can you tell me about it and its' value? My Dad was a ham for 80 years and had quite a vast collection of parts, radios, etc.
Thank you very much! Faye Pulley Oh... his call was W4COC and he built several Tesla coils! He loved to show them to unsuspecting friends! |
|
| Reggief340 [ ray.fowler@hotmail.com ] Friday, 15th January 2010 - 02:46:01 AM | |
| So glad I visited this site and found the warnings and data on cheap Chinese "Dell" power adaptors for laptops. Now going to by a proper Dell warranty product | |
| BRIAN SMITH [ serviand@gmail.com ] Saturday, 9th January 2010 - 02:36:43 PM | |
| Very nice to share all your impresive collection keep up
your excelent work in order next generations can have some idea how electronic changed this world |
|
| Markus [ ggera.ccg@gmail.com ] [ http://vavilon7.com.ua/nedvizhimost/doma/kievskaya/ ] Wednesday, 30th December 2009 - 11:58:13 AM | |
| Great!!! By Sergio | |
| robin (Barnes, UK) [ robin_lee55@hotmail.com ] Wednesday, 23rd December 2009 - 05:30:54 AM | |
| Nice work on the condensation project.
|
|
| Alvin Perkins McKerracher [ alvinperk1@charter.net ] [ http://none ] Wednesday, 16th December 2009 - 06:00:55 AM | |
| Very Entertaining and Educational. Keep up the Historical Work..
Alvin |
|
| Casey [ casey@juno.com ] [ http://ebufa.oxyhost.com/zithromax/zithromax-dose.html ] Thursday, 3rd December 2009 - 07:49:20 PM | |
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| Erich Clark [ erich.clark@gmail.com ] Thursday, 3rd December 2009 - 03:01:30 AM | |
| Wow, man! I think all my hair is standing up! The only thing more awesome than hearing you talk about these exploits and seeing the aftereffects would be to see them in slow motion! If you didn't want to spring for a high-speed camera, you could always do it Matrix-style! Set up a ring up disposable cameras, and use an electrical triggering system to take pictures, one after the other, very quickly. Or you could spin a wheel with an unexposed 35mm negative affixed to it very fast inside a light-proof drum. For a tiny length of time, just while the serious stuff was happening, you could open a pinhole aperture at the entertaining side (if you wanted frames, you could use a spoked wheel spinning past the aperture). HAHAHAHA! Just kidding, man! I thought it was in the spirit of this website to make crazy Goldbergian contraptions! Hope you can afford that high-speed soon! You could always just soup up and turbocharge an existing film camera (there I go again!) Love the site, Mike! Keep it up! These are things I will never, ever do, but I love it that someone else is! | |
| Mike Penman [ thehaneyplace@hotmail.com ] Friday, 27th November 2009 - 04:33:18 PM | |
| Your web page ROCKS! I've always had a fascination with HIGH VOLTAGE toys... currently building a gorgeous little Tesla coil kit that I got off of eBay... nothing like the fresh smell of NEGATIVE IONS first thing in the morning... must be a "MIKE THING" !-
Mike from Michigan :) |
|
| michelle tousignant [ m2z23@yahoo.com ] Thursday, 15th October 2009 - 04:42:07 AM | |
| I am am electrician in Iraq, we are over the G&B of it all and i was wandering the net for some good electrical pix for the background for appreciation certs in the VBC, (to be unique) and ran across your page. i have already marked you as fav and when my cohorts get back from R&R- i'm sure they will do the same. the more i think about it- i just may have to link them. Thanks- this stuff makes me smile. | |
| Barry Horning [ barryhorning@btconnect.com ] Thursday, 24th September 2009 - 05:55:22 AM | |
| Wonderful site, I have had a ball just browsing some of it. Initially found when trying to locate rivets for through hole plating of prototypes - some really good tips in your article and I consider myself reasonably expert.
Mind you, it is good to discover somebody else who professes to be sane but in fact is barking (takes one to know one!) Thanks Mike Barry |
|
| Steve Sunday, 6th September 2009 - 10:35:13 AM | |
| Hi Mike
Just wanted to say what a great website, which is a mine of information! I came across it after looking for information on Mercury Arc rectifiers and there it was. Thanks and keep up the good work. Steve |
|
| Brian Gilbert [ bgilb70819@aol.com ] Thursday, 2nd July 2009 - 12:48:13 PM | |
| Dear mike
I looked with great interest in your section on MARS valves we used them in the RAF on type 80 radars in the pulse forming network a 12 phase devise which charged large capacitors up to 2.25 million volts for the magnatron cathode made your hair stand a word of warning if you have a working set up beware! the X RAYS generated by the arcs |
|
| Melissa [ melissa.y.lau@gmail.com ] Tuesday, 30th June 2009 - 01:46:56 PM | |
| Hi I just want to say thanks for providing the DS/NDS LCD pinout and voltage info, I've been looking for this forever but couldn't find it until now :) | |
| Adam [ wolstencroftster@googlemail.com ] Thursday, 18th June 2009 - 11:25:12 PM | |
| looking at your comments on the can crushing and possible super sonic speeds, Did you manage to create a viewable pressure wave from the sonic boom yet?
If you filled the room with smoke from a smoke machine you see at party's or nightclubs it should hopefully allow you to capture a stunning image it will also help with showing the intensity of the arc's "light show". |
|
| KI6MRG [ naorozco@roadrunner.com ] Wednesday, 17th June 2009 - 01:14:08 PM | |
| great website, five stars.
would like to see more ham radio stuff though. |
|
| anne [ aagco_06@yahoo.com ] Wednesday, 10th June 2009 - 02:31:47 AM | |
| u have an amazing stuff to sell..
wish you all the best in ur business.. |
|
| john gilbert [ johng935@googlemail.com ] Thursday, 28th May 2009 - 03:08:45 AM | |
| What a STUNNING site, i visited some time ago but lost the link and have had a good look through it, a wealth of material for the eclectic collector or just purveyor of 'old stuff'. I'm looking at having a go at building a nixie clock so the site and info has been worth reading. Keep it up. 5 stars. | |
| NetReaper [ nightstorm@juno.com ] Saturday, 23rd May 2009 - 04:36:41 PM | |
| Hey Mike. Being much to young to remember Neon tubes and tesla coils your site interested me. I love all the neon stuff on your site like the dekatron spinner.
P.S. In the dekatron spinner how do I increase and decrease the spin rate? thx |
|
| NetReaper [ nightstorm@juno.com ] Saturday, 23rd May 2009 - 04:36:27 PM | |
| Hey Mike. Being much to young to remember Neon tubes and tesla coils your site interested me. I love all the neon stuff on your site like the dekatron spinner.
P.S. In the dekatron spinner how do I increase and decrease the spin rate? thx |
|
| billgull [ billgull@gmail.com ] Thursday, 14th May 2009 - 01:36:30 PM | |
| i just stumbled on your website; really neat suff you have. i've been collecting old tubes-the bigger, the better- for a few years just on the basis of their 'coolness' to look at and marvel at the work that went into the design and execution of all that glass and wiring.
strong work billgull |
|
| bernard welling [ 19bernard48@googlemail.com ] Thursday, 7th May 2009 - 02:23:45 PM | |
| Hello Mike.
I like your site,its great to see your collection and associated info.Did you know about the Luton Radio Rally at Stockwood park on the 17th May. Info Google Radio Rallies . A great source for Tubes of all sorts plus radio gear. A great day out.I have a few radar tubes and bits, if you are interested i will Email you a list. (CHEAP).let me know . Regards Bernard. |
|
| John Abood [ john.abood@gmail.com ] Monday, 4th May 2009 - 03:06:37 AM | |
| Love your work, your comments make me laugh. I'm inspired to learn more about high voltage. My career has been buried in low voltage electronics and boring old control systems whilst processing tons of paper work. Time to build a new lab and PLAY.....I need to erase the biological hard drive and start again. Thank you so much, real entertaining. | |
| Heikki Heino [ heikki.heino@riihimaki.fi ] Tuesday, 28th April 2009 - 11:06:52 AM | |
| Beautiful stuff! I love the vintage electronic equipment. I've already linked this page, so my pupils (I'm a teacher of physics, chemistry, and math) get to see what radios etc. were made of 50+ years ago.
Thanks! |
|
| Ken Anderson [ kenandy@optusnet,com,au ] Thursday, 12th February 2009 - 03:13:12 PM | |
| Hi,
Looking at the Display tube interested to see Projection Type. The AN-FPQ 6 radar console used these to display range, range rate, azimuth, elevation. The lamps used were GE 327, and there were at least 11 lamps-0=9 plus a decimal point, I have a vague idea there may ahve been two moore, + and -. In the Q6 application there was no way of turning the lamps off before withdrawing the module. The result was that when one lamp failed, as you withdrew the module most of the remaining filaments ruptured. It meant that you simply replaced the lot. The Q6 console had over 1000 GE 327 lamps in it. At one stage management att eh Carnarvon, Australia station, in an ecoonomy move, decreed that the radar could only hold 10 ready use spare lamps. Astounding stupidity. |
|
| Brunni [ magic-rt@freenet.de ] [ http://www.tectronik.de ] Sunday, 18th January 2009 - 02:25:55 AM | |
| Great and crazy site. It's amazing reading trough your site.
I put your adress into the weblinks on my site. Markus |
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| Richard Halliday [ j.r.h@lineone.net ] Monday, 8th December 2008 - 03:42:48 PM | |
| PCB etchant: More than a few years ago when I was at school in the late '60s to 1972, I had great success with etching PCBs by adding hydrochloric acid to my starter solution of ferric chloride. I used a fish tank air pump to bubble air through. No heating. I assume the eventual etching solution was basically cupric chloride as copper also has the possibility of -ous and -ic as does iron. The oxygen from the air would take away the hydrogen from the acid. It was a rather nicer colour than ferric or ferrous chloride I remember. A nice clear green(I think). At the time nothing was really thought about for disposal of waste products. What does one do now responsibly? You may suggest this, but I haven't looked that closely. Richard | |
| MGbada Ogabi [ maga@yahoo.com ] Wednesday, 3rd December 2008 - 01:49:40 AM | |
| i will get back to this site later keep it up | |
| Doug Dwyer [ dougfgd@gmail.com ] Friday, 7th November 2008 - 04:14:27 AM | |
| Venner TSA 3336 digital frequency meter.
I commenced work at Venner in 1961 as a technician, one task was to get TSA3336s working. Instrument built of modules each module was a decade counter, binary counter etc. Decade modules BCD summed collector currents to drive moving coil digivisor; numbers sat in mid position during gate period. Solenoid locked digivisor coil to store the result during next count. Direct count , prescaler, reciprocal count were all there as per a modern frequency meter. Products under development at that time were Digital Volt meter, 100MHZ conter LF signal generator Pulse hight counter for nuclear and timers for Blue Streak. Company founder Mr Ollington attached to Venner parking meters, company evolved to be http://www.malden.co.uk. |
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| Bill Beaty [ billb@eskimo.com ] [ http://www.amasci.com/hoax.html#phas ] Monday, 3rd November 2008 - 01:48:34 AM | |
| Remember my "phaser weapon" argon flow trick, and the argon blowtorch effect? Ten years later someone FINALLY built the original idea: a giant argon flow run by a big TC.
KVA effects argon cannon http://www.youtube.com/watch?v=eMJ8-56L3Lc http://www.amasci.com/hoax.html#phas |
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| Nige [ homer87015@aol.com ] Wednesday, 22nd October 2008 - 09:35:24 AM | |
| Great site, very informative. Love the cd jukebox. I play with old 1950`s ones; I can just about manage electro-mechanical-lol. | |
| Michael C [ longislandmike@optonline.net ] Wednesday, 17th September 2008 - 02:42:03 PM | |
| Great site! Crazy, but informative. Must be the name Mike that does it. | |
| Hs Ulr Schmutz [ schmutz@kanti-wettingen.ch ] [ http://kanti-wettingen.ch ] Saturday, 9th August 2008 - 11:28:16 AM | |
| Hallo Mike
* Lot of thanks for your Electric Stuff ! * This is what we need for our Physics Labarotory. * With best regards from Switzerland |
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| Mike Russell [ mike@apexopportunities.com ] [ http://www.mikerussell.ws/vww ] Saturday, 26th July 2008 - 12:23:34 PM | |
| You asked about putting video on your site EASILY Mike, well here is how; http://www.mikerussell.ws/vww
Another way is to use YouTube - most people do that nowadays. Great site Mike! |
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| John [ http://www.johnbass.co.uk ] Thursday, 24th July 2008 - 09:32:57 AM | |
| Wonderful, please keep the site going and adding to it. | |
| gw4frx Tuesday, 22nd July 2008 - 11:50:23 AM | |
| Absolutely wonderful. More please! | |
| Bob [ g3oou@aol.com ] [ http://members.aol.com/rfcburns ] Friday, 18th July 2008 - 09:08:58 AM | |
| Interesting site and glad to see valve items present. The PCB page is very informative. | |
| AS [ vrmail@blueyonder.co.uk ] Friday, 4th July 2008 - 03:23:34 PM | |
| Incredible site - best I've seen for a long time - thank you ! Found it while searching for tips on improving my homebrew PCBs - haven't got round to making the PCBs yet - too busy browsing your site ! | |
| Diana [ franc2507@ntlworld.com ] Thursday, 19th June 2008 - 10:43:59 AM | |
| I am so pleased that I read your piece on the dodgy AC adaptor! If I hadn't, I fear I may have set fire to something. I too bought a cheap AC adptor from ebay - when received I noticed it said "for Toshiba" and my alarm bells started ringing - I also noticed it got very hot very quickly. I have no electrical knowledge but a search brought up your site with your investigations to a similar dell adaptor. WSo thank you for sharing your expertise!! | |
| Karl Emmanuel [ contacto@mosfetgarage.com ] [ http://www.mosfetgarage.com ] Thursday, 15th May 2008 - 11:52:44 AM | |
| Your web is amazing!
I have never seen such a collection of vacum tubes, projects (for advanced builders) and information. kudos to you |
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| Josh [ joshuabrandl@gmail.com ] Thursday, 24th April 2008 - 08:30:28 PM | |
| Mike - What an amazing site! I've been looking at your site for several weeks now and keep finding something new. Very inspiring stuff here. I am just learning electronics and by learning I mean Ohm's law type learning - but many of your experiments are making want to hurry up and get through the book! Keep up the great work.
Josh |
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| Dave Owen (melter) [ davidowen65@hotmail.com ] Sunday, 16th March 2008 - 04:03:35 PM | |
| Hi Mike. A fascinating site. Never knew there were so many different valves! Got to your site from a link left by Eileen on the TT forum. | |
| Apollo Physics [ apollophysics@yahoo.com ] [ http://physics.freerovin.com/ ] Monday, 10th March 2008 - 10:28:24 PM | |
| I liked your analog to digital Tube page so much I linked to it from my page. Apollo Physics http://physics.freerovin.com/
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| Dr. Kamlander [ Dr.Kamlander@aon.at ] Thursday, 21st February 2008 - 09:48:21 AM | |
| A shear pleasure to visit your site ! I am old enough to remember some of the radios and tubes etc. very sincerely yours Dr.Kamlander | |
| David Fowler [ dfowler@uchobby.com ] [ http://www.uchobby.com ] Friday, 11th January 2008 - 03:39:27 PM | |
| Mike, Great site! I very much enjoyed the recent article on the fake Dell power supply.
I recently picked up some cheap "Apple" headsets, like the ones sold with IPods. They dont sound good and ultimatly fell apart in my ear. Often, you get what you pay for. |
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| Lucien Nunes [ lucien.nunes@btopenworld.com ] Sunday, 6th January 2008 - 07:13:01 AM | |
| Splendid stuff! the site and your enthusiasm really bring electricity to life. | |
| Mike Ohlson de Fone [ mike.ohlsondefine@rbm.co.za ] Sunday, 6th January 2008 - 01:48:15 AM | |
| what a brilliant Aladin's cave of a website. Thank you for sharing it with the rest of the world,
Mike, Zuluand, RSA. |
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| brendancoffey Wednesday, 2nd January 2008 - 12:59:36 PM | |
| One of the most fascinating sites on the web | |
| guerst [ aa@bb ] [ http://www.dccundip.netfast.org ] Tuesday, 1st January 2008 - 10:53:34 AM | |
| thks for ur great site | |
| wendy ajiartanto [ wendy_aji@TELKOM.NET ] [ http://www.000webhost.com/?id=14987 ] Tuesday, 1st January 2008 - 09:29:49 AM | |
| can you help me to find HV diode because it hard to find in indonesia | |
| wendy ajiartanto [ wendy_aji@TELKOM.NET ] [ http://http://www.000webhost.com/?id=14987 ] Tuesday, 1st January 2008 - 09:27:45 AM | |
| HE....
could anybody help me to get HV diodw because it hard to find in indonesia |
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| jr [ jr4412@googlemail.com ] Sunday, 30th December 2007 - 07:30:52 AM | |
| my first visit -- blown away.
very interesting, very anorak-ish, wonderful. |
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| jr [ jr4412@googlemail.com ] Sunday, 30th December 2007 - 07:30:31 AM | |
| my first visit -- blown away.
very interesting, very anorak-ish, wonderful. |
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| Randy King [ rjking@yahoo.com ] Tuesday, 25th December 2007 - 07:02:24 AM | |
| I've been visiting here for years. Absolutely love the nostalgia of Nixie Tubes (have a single-digit clock with one) through the inventiveness of drying out thermal pane windows with an aquarium pump and dessicant. Awesome. Loving it from the midwest USA outside of Chicago. | |
| Paul [ nospam@aol.com ] Monday, 17th December 2007 - 05:18:59 AM | |
| G and M tools have geissler tubes for Ј30 !
Happy Christmas. http://www.gandmtools.co.uk/cat_branch.php?sub=38 Paul R. |
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| Ken Durand [ uas_military_radio_doctor@comcast.net ] Wednesday, 5th December 2007 - 07:15:25 AM | |
| Love it..Great, Great, Great....Yes, tune up the Geiger Counter !!!!
I've got some VT-127's too...great looking little men !!! Ken.. |
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| Daniel Chapiesky [ dchapiesky@juno.com ] Monday, 12th November 2007 - 10:19:08 PM | |
| I love your site... just one thing... about trying to identify mystery objects... Please tell me you own a gieger counter.... please... | |
| sergey [ selevo@mail.ru ] Saturday, 3rd November 2007 - 05:59:54 AM | |
| хороший сайт.
нигде не нашёл статью... "Marinov, S. The perpetuum mobile is discovered. Nature, vol, 317, 26 Sept. 1985, p.xii." на сайте журнала : http://www.nature.com/nature/journal/v317/n6035/index.html есть все статьи кроме этой,помогите найти,если не трудно,спасибо. ------ Good site. Anywhere has not found clause(article)... " Marinov, S. The perpetuum mobile is discovered. Nature, vol, 317, 26 Sept. 1985, p.xii. " On a site of Journal: http://www.nature.com/nature/journal/v317/n6035/index.html There are all clauses(articles) except for this, help to find, if not it is difficult, thank. |
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| Renato Aranha [ renato@aranhacampos.com.br ] Tuesday, 30th October 2007 - 04:28:03 PM | |
| Thank you for the thrilling experience Mike! | |
| Chris B [ fullrangechris@aol.com ] [ http://www.myspace.com/hoproblems ] Thursday, 25th October 2007 - 03:02:33 PM | |
| Hey! Great site, love the vintage tube collection! Love your insight into electronics!
Keep Buzzin! |
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| wendy ajiartanto [ wendy_aji@telkom.net ] [ http://wendyaji.phpnet.us ] Wednesday, 24th October 2007 - 12:58:31 AM | |
| he... thanks for your marx generator i think it so be easy to build he.....
can you help me to generate High voltage generator with pulse output but in MHz i think it can solve my problem in my plasma reactor thks |
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| Austin Bonner [ nooodlse1@gmail.com ] Sunday, 23rd September 2007 - 01:22:38 PM | |
| With your Marx generators, you can kill corona loss by making the gaps closer together and putting the entire thing in transformer oil. | |
| User [ - ] [ http://- ] Monday, 10th September 2007 - 04:29:59 AM | |
| very good website. i like nixie valves!!!!!!!!!!!!!!!!! | |
| Graham Bartram [ graham@acidapple.com ] [ http://www.acidapple.com ] Thursday, 6th September 2007 - 07:12:48 AM | |
| COOOl, loads of fun things to do and a superb article on making PCB's. Damn fine site Mike. | |
| Hardy [ Hardy(at)scheidig(dot)de ] [ http://www.scheidig.de ] Sunday, 2nd September 2007 - 08:05:50 AM | |
| Hi Mike,
this is really a magnificent home page. A lot of grazy ideas. I'm also a fan of valves, geissler tubes and tesla coils. I'm going to send you an email, because I would like to exchange the links to our home pages. |
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| Keenan Lake [ robotbuilder101@charter.net ] Friday, 31st August 2007 - 08:43:44 PM | |
| Everyday I come across a site promising cool electronic stuff. It is usually a major load of rubbish. Once and a while I run across a Gem, and this is it! I love this site! | |
| CDurrell [ galactichq@iprimus.com.au ] Wednesday, 29th August 2007 - 11:43:31 PM | |
| Fabulous site for us oldtimers and stimulating to our grandchildren. I'm recommending it to our Amateur Radio Club. Perhaps you have a few early amayer picture/stories or goodness knows what you could come up with.
Cheers Colin. |
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| Dave Sargent [ pommedave@aapt.net.au ] Sunday, 19th August 2007 - 08:38:03 PM | |
| HiMike,
Love the site, Found it after starting construction on a nikie clock of my own using russian made 1N14 nixie tubes and 44 high voltage transistors to switch each element on from 6 4017 decade counters. The kit I am building was not my design, but was designed by David Whitby from Australia, email me if anyone would like the design or contact details for David Whitby. The kit uses a low voltage supply rail ( 12volt ac/dc ) with a step up switch mode power supply for the nixies. As I have small children, I thought that this would be safer.More so as I intend to enclose the whole thing in a clear perspex case.. Anyway, Love the site mike, Keep it up.. and don't let your hard work go down the tubes..... Dave Sargent, Australia.. |
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| Steve Armstrong [ stevea1956@optusnet.com.au ] Saturday, 18th August 2007 - 08:43:47 PM | |
| Hi, Great site, I just saw the receipe for making developer. (n the making PCB page). I think there is a decimal point missing in the Sodium Hydroxide measurement 400g in 1L is 10 molar, this much will not dissolve in 1L. It has to be 40.0g for a 1Molar concentration. This gives a 0.1 to 0.4 molar concentration when dissolved and about the correct conc. to bond with the Waterglass solution.
Keep up the good work. Steve |
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| Craig B. [ cbsystems@buckeye-express.com ] Friday, 17th August 2007 - 08:47:42 PM | |
| Fantastic site. I blame you for my feeling like crap at work yesterday... was about ready to go to bed, but looking for something on the web to alleviate boredom for a few minutes, then stayed up way late, transfixed by the vintage electronics, Tesla coils, etc. I've been tinkering with tube equipment since I was 12 years old, and currently work in IT, doing some telecom on the side. My first experience with a Tesla coil was when I was in school for electronics, and worked in the 'student resource center', where everyone came to check out the equipment and components they'd need. I noticed a small transistorized coil in a box, and hooked it up. I discovered it was great fun to keep it energized under the counter, with one hand on the electrode, and when an unsuspecting student came up to check something out, I'd hand them the pen to sign for it and watch them jump in surprise when a harmless spark would jump several inches to their hand. (good thing no one had a pacemaker I guess) Someday, perhaps I'll build one of these monsters after I buy a house, and if life graces me with the free time and inclination.
Thanks again for a great site. |
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| bill clouser Tuesday, 7th August 2007 - 07:11:12 PM | |
| Beautiful neon lamps! Beautiful website!
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| jo [ jj@as.com ] [ http://www.phone-sex-psychologist.com ] Friday, 29th June 2007 - 04:34:24 PM | |
| Very cool site! | |
| Ruffus [ carbeth_international@hotmail.com ] Thursday, 28th June 2007 - 04:09:32 PM | |
| Did you ever consider experiment with Caduceus Coils?
is thuth that this kind of coil levitate? and by the way violate every law of electromagnetics and Herzian wave theory???? Please, Enlight Us... Best Regards Ruffus |
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| Steve Jr. [ Stevenarmen23@cs.com ] Friday, 1st June 2007 - 09:44:51 PM | |
| Hey I think I burn't out my tesla coil can anyone post on here asap how I can tell if it's burnt out and what do to do ahhhhhhhhh.....it buzzing but good spark gap uhhh anyone know what the cuase is i can send picturers can someone help me out thanks?? .please help thank you Mike and all of you Tesla Researchers. my email does not work I'll be back here in a few thanks. | |
| john g. Tuesday, 22nd May 2007 - 11:57:05 PM | |
| WOW, blowing eproms has taken on a new meaning, think i'll stock to blowing low voltage 27128's .... i'd love to see a PC blown this was and taken back to PC World for a laugh 'i think it's dead sir ...' (no shi* !) lol :)
great site - dont try this at home kids, you'll singe granny's hair off! Wiring up the cats tail is not recommended. |
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| Dave [ dave.wenham@ntlworld.com ] Friday, 20th April 2007 - 01:59:45 AM | |
| This is why I LOVE the internet.
I know there's a load of crap out there and growing every day. But just occasionally I come across something like your 'testing and analysis of the cheap laptop power supply' article. Thanks Mike - I'll now check out the rest of your site. |
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| David [ drudeforth@lakeimage.com ] [ http://www.lakeimage.co.uk ] Wednesday, 18th April 2007 - 09:16:21 AM | |
| High speed cameras have come down in price. A small camera plugged into your laptop can do as much if not more than Mikes new toy (the Kodak EktaPro TR1000). You can get 1000fps at 800x600 less than a tenth of the price of the Kodak when new.
Sorry if this sounds salesy, just thought you and your visitors might like to know, David (Lake Image Systems, and ex-Kodak) |
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| Peter Mathes [ p.mathes@meilhaus.de ] [ http://www.meilhaus.com ] Monday, 2nd April 2007 - 05:52:20 AM | |
| Hi,
very nice Site simply and full of informativ and entertaining stuff. |
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| Xhing Yong [ xhingyong@gmail.com ] [ http://www.grandspektra.com.my ] Tuesday, 20th March 2007 - 08:39:21 AM | |
| Keep up the great work. Very resourceful. | |
| J Daniher [ jdaniher@gmail.com ] Thursday, 15th March 2007 - 06:48:58 PM | |
| I am sure that my son would love your page. Right now he is in Shriner's burn hospital in Cincinnati with his thumb sewn into his side with the hope of keeping it from being amputated. Something went wrong with his homemade "plasma cutter" made from a microwave transformer. Just a note to emphasize that this stuff can be very dangerous. Make sure that when you are expermenting that you know what you are doing and take every safety precaution and then some. | |
| Riet [ http://www.zaadz.com ] Wednesday, 7th March 2007 - 12:47:33 AM | |
| That stuff is amazing. Come and share your inspiration with us at zaadz. Zaadz is about: connect, grow, inspire, empower.
www.zaadz.com |
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| Paul Anderson [ paul.anderson@tesco.net ] Sunday, 4th March 2007 - 03:36:26 AM | |
| Nutcase, totally but what a stunning site. No junk, flash shockwave or ony other fancy bloatware. | |
| Lawrence [ richardson167@tiscali.co.uk ] Friday, 16th February 2007 - 02:18:08 PM | |
| Thanks for the PCB build help, it has been really useful for making my first successful board.
Cheers, Lawrence. |
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| Michael Wednesday, 7th February 2007 - 06:22:36 PM | |
| I love the high-speed camera hacking project. You are invincible! | |
| JP Murphy [ usluvit@yahoo.com ] Saturday, 27th January 2007 - 08:53:05 PM | |
| This was fun! Very nostalgic trip back to my radar vans... | |
| Don Law Friday, 12th January 2007 - 07:25:58 PM | |
| I'm in awe. Thanks so much for this site! I too collect old electric stuff and tinker with it. Next time I'm in the UK, I'll get in touch. | |
| karl grabe [ http://www.karlgrabe.com ] Tuesday, 9th January 2007 - 01:34:56 PM | |
| excellent - went here after the elektor article on the nixie clock. great project! karl | |
| Stephen Zavodny [ steve@jandsresearch.com ] Tuesday, 9th January 2007 - 05:36:37 AM | |
| I like your site! I have started building my first Marx generator, and your information was valuable for my effort. I am also working on a high power switched supply for between 800 to 8000J at 15kV DC using a "home brew" triggered spark gap. If you are interested, I'll send you info as I work on that project.
One comment, in your photodetector section you state that photomultipliers have been replaced with semicinductor devices. In many cases that is true, however, there are many scientific applications that still require the ultra-high sensativity and low noise that a good, shielded photomultiplier tube provides. This is especially true when trying to detect a single photon from a nuclear event |
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| Matthew Abshier [ viper77707@hotmail.com ] Tuesday, 2nd January 2007 - 03:47:13 PM | |
| hey this is the best website i have ever been to.just 1 thing though...i would love some new updates:)if u even give a crap enough to read it :P | |
| Dean [ doc526@yahoo.com ] Thursday, 21st December 2006 - 11:09:05 AM | |
| I had downloaded your Nixie schematic about a year ago. After coming across some free nixies (they were in a meter getting thrown out)I finally built my clock and it works great!
Just wanted to say thanks! DEAN |
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