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Volume11, Number 4

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original version carried a reputation for being hard to amke in terms of equal tension on the filaments, and was soon superseded by new designs.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,...

Volume11, Number 2

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

Volume11, Number 1

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 3

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 5

Vol. 11, No. 5

Hisashi Ohtsuka (right), enjoying his 2009 Schrader Award plaque with Dr Yukawa, museum director of the University of Electro_Communicationon Tokyo. Photos: Hisashi Ohtsuka   In this issue