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Volume13, Number 2
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Vol. 13, No. 2

Inspired by February’s “Tunggram Radio” ad, Abel Santoro senrt in this advertisement, clearly from the Hungarian arm of the company, for tungsram-filament light emitting monodes.   In this issue

Volume15, Number 6
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Vol. 15, No. 6

The Philips (Mullard, Amperex) E1T electronic decade counter tube, registered with EIA as the 6370 in 1956. “The applied electrical pulses deflect a ribbon-shaped focused electron beam to one of ten stable positions, producing a light spot on a fluorescent sccreen markedd with figures 0-9.” Drawing: J. Haantjes and H. Carter, Classificationof Electron Tubes (New...

Volume13, Number 3
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Vol. 13, No. 3

A continuous oven for baking-out TV picture tubes before exhausting, sealing-off, and getter-firing, at the Fabbrica Italiana Valvole Radio-Elettriche (FIVRE), ca 1957. Photo: Giuseppe Vulpetti.   In this issue

Volume16, Number 1
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Vol. 16, No. 1

A late-“20s RCA promo – a minstrel version of the “Radiotron Man” (see TC cover, Feb. 2009). This is from some dealer sales-support material discovered by Joe Knight.   In this issue