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Tour the Vintage Radio and Communications Museum - Part Two (Video)
Earlier this week we ran two videos about the Vintage Radio and Communications Museum of Connecticut. Their site says, "Our volunteers are happy to give personal tours," and that's what today's videos (and the two we already ran) are: personal tours of the museum conducted by volunteer Bernie Michaels, known in ham radio circles as W2LFV. And for extra fun, after we ran out of video time we added some bonus transcript material for those who remember things like Sams Photofacts. (Alternate Video Link 1 - Alternate Video Link 2)
what we've got here is: https://www.youtube.com/watch?...
The Pavek Museum of Broadcasting is also worth a tour.
Lee DeForest invented the triode tube detector, but his was not a vacuum tube. As DeForest decribes in his U.S. patent 879,532, his Audion triode detector was a gas tube, and the "conducting gaseous medium" was required for operation. In the circuits in the patent, the grid circuit requires a series capacitor blocking DC current flow, so the grid DC potential could be controlled by the gas inside the tube.
Irving Langmuir invented the high-vacuum triode tube, and patented pumping out the gas. In his U.S. patent 1,558,436 Langmuir describes how DeForest's Audion depended on gas to operate, and describes the tests needed to ensure a good vacuum free of gas. In the circuits in the patent, there is always a DC path from grid to filament. Langmuir includes both a detector circuit and an oscillator circuit.
Someone in the phone company also invented a vacuum triode, but I have no information on that.
from my blog, Peter Traneus Anderson
you're probably autistic... haha...
ok, seriously, if you like this and you live in San Diego, why not check out something similar(albeit with a mechanical bent): http://www.craftsmanshipmuseum...
http://www.masturbateforpeace.com/
I made their first website around 1995 or so. I wonder if it's still kicking around the museum somewhere - it would certainly be vintage communications by today's standards. Hopefully it didn't have too many blink tags!
For Vintage Radio/Comms folks in the Washington State area, there is "Spark" up in Bellingham, Wa. It has the largest privately owned and publicly accessible Tesla Coil on the west coast, as well as radios and electronics from the Pre-Marconi Era to the "end" of the Vacuum Tube Era.
Heh. What happened? They kick you off 4chan for excess stupidity?
I don't know about the second one, but calling a sequence of photographs captured in a video stream, with no audio, is hardly what I would classify as a "video". It looked like some guy wandered around the museum, snapped a few amateur photographs, went home stitched them together and called it a "museum tour". WTF.
Started screwing around with electronics in 6th grade, in 1972 when my teacher brought a crystal radio to school. Went to Radio Shack and bought my first P-Box kit and I think I spent every spare dollar there buying more and more kits to play around with. Went to the library, checked out some books on ohms law, taught myself a bunch of stuff. In my teens, I think my parents thought I was going to blow up the house. I installed 8 track tape decks, car stereos all the time, fixed radios, televisions. Got a job in a television shop when I was 15, worked there through getting a electronics degree, went to work for Texas Instruments for a year, but hated Houston Texas. Built my first computer in the late 80's, got my ham "ticket"...still in the electronics/computer business for the last 34 years. All because a TEACHER, brought a tiny crystal radio to school, and I wanted to know why it worked "without batteries". It's interesting...a couple years ago, that same teacher showed up on Facebook, and I sent him a message telling him thank you...had it not been for him, who knows where or what I would be doing today. He said that was the best compliment he had ever received.