Month: April 2023

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Volume11, Number 3
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Vol. 11, No. 3

The RCA “Selling Fool” doll, a retailer display aid designed ca. 1926 by the major cover/commercial artist Maxfield Parrish. The “Fool” replaced the “Radiotron Man” figure as seen on the Feb. cover, although Web postings about the doll often use the “Radiotron” name. RCA’s $5 price for a quqetet of dolls is ironic – this...

Volume11, Number 1
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Vol. 11, No. 1

Illustration from an RCA dealer-promotio brochure of ca. 1926, “rolling out” a new symbol for RCA tubes, the “Radioman.” He was expected to join the, er, pantheon of logotypes for U.S. consumer goods: the “ArgoStarch” Indian-maiden figure, the “Dutch Boy Paints” youth, the “Gold Dust Twins”, the “Cambell,s Soup: cook, etc. The goofy Radiotron Man...

Volume11, Number 2
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Vol. 11, No. 2

Tube-and-bulb collector Floyd Lyons pays a visit to John Stokes, his New Zeland counterpart, in 1967. Lyons is admiring a Sperical Audio, while Stokes is holding a Loewe OB333 home receiver with its triple-triode tube. Photo: Auckland Start   In this issue

Volume10, Number 4
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Vol. 10, No. 4

The rare and prestigious Western Electric/Signal Corps VT-3. Photo by Bill Condo The rare and prestigious Western Electric/Signal Corps VT-3. Photo by Bill Condon In this issue

Volume10, Number 5
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Vol. 10, No. 5

Lee De Forest jollies-up with Roy Weagant, namesake of a family of external-controlled tubes of ca. 1919. The picture was taken in the officees of Sheffield and Betts, patent attorneys in New York. The origianal caption was “When Grid and Gridless Meet. Phot: Jerry Vanicek.   In this issue

Volume10, Number 1
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Vol. 10, No. 1

Daniel Stocks, Australian microwave-tube expert, left visits Ron Lawrence and his “Radio Heaven” display in North Carolina. Photo: Robert Lozier.   In this issue

Volume11, Number 4
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Vol. 11, No. 4

The mount drawing for the now-eBaygenic “single-plate” 2A3 audio triode, with its 20 filaments. This original version carried a reputation for being hard to amke in terms of equal tension on the filaments, and was soon superseded by new designs. The note about the tensioning springs testifies to this diffuculty. Image: RCA Standardizing Notice 3-1-2A3,...

Volume 1, Number 3
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Vol. 1, No. 3

On the Cover Two historically important cathode-ray tubes: the RCA 906, ca. 1935: and the tektronics T51, ca.1954. See Peter Keller,s synopsis of CRT history in this issue. In this issue