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Includes most of Tung-Sol's tubes made between the 1930s up to 1948.

includes the old 2-digit tubes, octals, loctals, and 7- and 9-pin-miniature tubes.

My motto is "Live each day as if there's no tomorrow ".

Schade, RCA publication ST-59, March, 1938 - A very nice technical paper about beam-power tubes, their operation, and application in audio power amplifiers 1941 Phototubes (PDF, 3.2MB) - Courtesy of John Atwood 1960 Receiving Type Tubes for Industrial and Communications short-form data (15MB PDF file) 960 RCA Interchangeability Guide, (5.1Mb PDF file) - Tube substitution manual - - Thanks to Gary Smith!

1956 RCA Reference Book (28MB PDF file) - This consists of an introduction (including some schematics) and individual tube datasheets, which were in a binder like the RCA HB-3.

Many files on this site, especially scanned documentation, are in Adobe Acrobat (PDF) format.

I am working on posting the RCA HB-3 Tube Handbook on line on this site (on it's own page).) 6189 data sheet (PDF, 412k B) 7044 data sheet (PDF, 224k B) 8950 data sheet (PDF, 320k B) Glow Lamp Manual (1965) ( 1953 Data and Circuits of TV Receiver Valves (PDF, 16Mk B) - Includes tube data and applications of a number of Philips tubes in TV sets.In addition to the data I have scanned and posted, if you're looking for data on a particular tube you should visit TSDL on Duncanamps website, or Frank's tube data.Another spot to look, which is especially useful if you're looking for replacement types and tubes with similar bases or characteristics, is the NJ7P tube database.Courtesy of John Atwood 1938 Philips Miniwatt short-form data (12MB PDF file) 1937 Receiving Tubes (PDF, 7.6Mk B) - Courtesy of John Atwood 1938 "Handbook of Amateur Tube Uses" (6.6MB PDF file) - Data on the Raytheon "RK-series" of transmitting tubes (as well as a few others), and some applications info.

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Courtesy of John Atwood 1939 "Handbook of Amateur Tube Uses" (PDF, 134k B) - Courtesy of John Atwood 1940 Characteristic Data Chart (PDF, 1.5MB) - Courtesy of John Atwood "Raytheon Special Purpose Tube Characteristics (8.5MB PDF file) - short data on special tubes including subminiature types, crystal diodes, etc.- Courtesy of Chuck Mc Gregor, N7RHU 1957 Receiving Tube Data short-form (5.5MB PDF file) RCA HB-3 Tube Handbook page 1932 RCA R-10 Tube Manual (8.8MB PDS file) Courtesy of anonymous donor 1934 RCA RC-12 Receiving Tube Manual (3.6MB PDF file), with PDF index 1948 RCA RC-15 Receiving Tube Manual (13MB PDF file) Courtesy of anonymous donor 1951 RCA RC-16 Receiving Tube Manual (15MB PDF file) Courtesy of anonymous donor 1954 RCA RC-17 Receiving Tube Manual (15MB PDF file) Courtesy of anonymous donor 1956 RCA RC-18 Receiving Tube Manual ( 25MB PDF file) Courtesy of Walter Welch, AI4SP 1965 RCA RC-24 Receiving Tube Manual (CAUTION LARGE 24.2MB PDF file) Courtesy of an anonymous donor 1966 RCA RC-25 Receiving Tube Manual (35.6MB PDF file) Courtesy of anonymous donor 1968 RCA RC-26 Receiving Tube Manual ( 38MB PDF file) Courtesy of Walter Welch, AI4SP 1934 RCA "Amateur Transmitting types" (1.3MB PDF file) 1938 RCA TT-3 Air-Cooled Transmitting Tube Manual (8.8MB PDF file) - Great transmitting tube data, has most of the 800- and 1600-series tubes and beautiful pen-and-ink illustrations, with PDF index 1956 RCA TT-4 Transmitting Tube Manual ( 13MB PDF file) Courtesy of Walter Welch, AI4SP "Beam Power Tubes" (2.3MB PDF file) by O.

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