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Tubular film - Audion
https://www.audion.com/product/a22100250/
We recommend the use of high-quality transparent tubular polyethylene for most of our hand and tabletop sealers. Audion stocks a wide range of sizes and gauges, transparent and anti-static film. Micro-perforated, coloured and printed film can also be supplied on demand. Please contact us for options and prices.
Tubular film - Audion
https://www.audion.com/product/a30150200/
A30150200. Specifications. We recommend the use of high-quality transparent tubular polyethylene for most of our hand and tabletop sealers. Audion stocks a wide range of sizes and gauges, transparent and anti-static film. Micro-perforated, coloured and printed film can also be supplied on demand.
DeForest Tubular Audion - sparkmuseum.com
http://www.sparkmuseum.com/AUDION.HTM
DeForest Tubular Audion 1916: Prior to about 1915, DeForest enjoyed what was largely a monopoly position in vacuum tubes and the company was able to impose very restrictive sales policies. At the time the only way to obtain a DeForest Audion was to purchase a …
TUBULAR AUDIO
https://tubularaudiobk.com/
Tubular Audio specializes in the repair and maintenance of consumer and pro audio, with particular focus on vintage and tube electronics. Our goal is factory-quality repairs that extend the life and playability of your beloved instruments for years to come. Repairs. If you need a repair, please don’t hesitate to get in touch.
Type "T" Audion Bulb (1916)
http://earlyradiohistory.us/1916aud.htm
The Audion Detector is the most sensitive and reliable in existence. For the benefit of those amateurs who desire to experiment, and who do not wish to buy complete Audion Detectors with the necessary accessories, and for those whose limited means will not permit the complete instruments to be purchased, we have brought out the Type T Tubular ...
Cunningham Audio-Tron Tubular Vacuum Tube, ca. 1916 ...
https://artsandculture.google.com/asset/cunningham-audio-tron-tubular-vacuum-tube-ca-1916-elmer-tiling-cunningham-1889/nwGPvs35surVkA
His tubular double-sided design allowed dual filaments, providing longer operating life. Produced in large numbers, and more dependable than the Audion in quality, the Audio Tron contributed to the rise in amateur radio interest and provoked de Forest to devise his own tubular audion.
tubes
http://oldheadphones.com/crystal/phones/tubes.htm
New In box Myers tubular audion with extra tube and baseboard mount tube holder One new in the original box Myers tubular audion complete with the packing material and instruction sheet, and one probably used Myers tube with a baseboard mount tube holder socket. Tubes all tested for continuity and are good. $95 Pair of vintage Sylvania 2A3 Tubes
Moorhead - bill01a.com
http://bill01a.com/articles/moorhead.htm
Also in May some ads showed the old tubular Electron Relay, [39] while other ads listed, but did not picture, the DeForest Type 20 detector. [40] The Type 20, if actually sold, remains a mystery. The tubes shown in Saga of the Vacuum Tube as being Type 20's are now believed to be the DeForest DV6 and DV6A of 1923 vintage.
Wallace Valve Receiver Tubular Audion Radio Wallace & Co. Pa
https://www.radiomuseum.org/r/wallace1_wallace_valve_receiver_type_2_tubular_audion.html
The set featured a switchable crystal or Tubular Audion detector. The circuit employed was regenerative two years before Armstrong "invented" the regenerative circuit. Armstrong had been invited to operate this receiver in the summer of 1911. Reference from Gerald Tyne and the RJ4 detector and the Wallace mystery 1978.
Amateur Wireless!! Rare Tubular Audion From Ralph …
https://www.ebay.com/itm/203749572652
Directions For Operating The Audio Tron Tubular Audion 1915. $99.99 + $13.50 shipping + $13.50 shipping + $13.50 shipping. DeForest NOS in its can DV-3 Audion Isolantite base tube. $149.99 + $9.99 shipping + $9.99 shipping + $9.99 shipping. RARE Vintage prototype audio developmental amplifier experimental tube 6BQ5 more.
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