This article was produced in collaboration with Ludwell Sibley, author of Tube Lore, Jerry Simpson of "Jerry’s Vintage Radios" in Canyon Country, California, and with the real engineer in the family, Philip A. Rheinschild, Sr., a.k.a. W6LJD.
For those interested in tuning-eye tubes, or electron-tube history and collecting in general, please visit the Tube Collectors Association.
Åke Holm has created an excellent web page with photos of dozens of different types of tuning-eye tubes, with a particular emphasis on European types.
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The following published works were consulted in preparation of this article. Many of these are recommended as key references for those interested in the history, circuitry, and servicing aspects of the "vintage" consumer radio hobby.
Boyce, William F. and Roche, Joseph J., Radio Data Book, Boland & Boyce Publishers, Montclair, NJ, 1948.
Eastman, Austin V., MS., Fundamentals of Vacuum Tubes, McGraw-Hill Book Company, Inc., New York, 1941.
Ghirardi, Alfred A., E.E., Modern Radio Servicing, Radio & Technical Publishing Co., New York, 1935.
Ghirardi, Alfred A., & Johnson, J. Richard, Radio and Television Receiver Circuitry and Operation, Rinehart & Company, New York, 1958.
Ghirardi, Alfred A., & Johnson, J. Richard, Radio and Television Receiver Troubleshooting and Repair, Holt, Rinehart & Winston, New York, 1961.
Marcus, William and Levy, Alex, Elements of Radio Servicing, McGraw-Hill Book Company, Inc., New York, 1955.
McMahon, Morgan E., A Flick of the Switch 1930-1950, Vintage Radio, Palos Verdes Peninsula, CA, 1975.
Radiotron Designer’s Handbook, Fourth Edition, Edited by F. Langford-Smith, RCA Victor Division, Radio Corporation of America, Harrison, NJ, 1952.
Radio Tube Hints, Volume 1, Sylvania Electric Products Company, Emporium, PA, 1943.
Ramirez, Ron with Prosise, Michael, Philco Radio 1928-1942, Schiffer Publishing Ltd., Atglen, PA, 1993.
Raytheon Radio Receiving Tubes Databook, Raytheon Production Corporation, Newton, MA, 1937.
RCA Receiving Tube Manual, Technical Series RC-14, Tube Department, Radio Corporation of America, Harrison, NJ, 1940.
Reich, Herbert J., Ph.D., Theory and Applications of Electron Tubes, McGraw-Hill Book Company, Inc., New York, 1944.
Sibley, Ludwell A., Tube Lore, L.A. Sibley, Flemington, NJ, 1996.
Stokes, John W., 70 Years of Radio Tubes and Valves, 2nd Edition, The Vestal Press Ltd., Vestal New York, 1982.
Terman, Frederick Emmons, Sc.D., Radio Engineering, 2nd Edition, McGraw-Hill Book Company, Inc., New York, 1937.
Tyne, Gerald F.J., Saga of the Vacuum Tube, 1st Edition, Howard W. Sams & Co., Inc, Indianapolis, IN, 1977.
"The Cathode Ray Tuning Indicator", National Radio News, Oct-Nov 1936, National Radio Institute, Washington, D.C.
About these Webpages:
All pages were authored using Microsoft FrontPage 2.0.2.
Illustration of 6E5 elements was scanned from Eastman's Fundamentals of Vacuum Tubes.
AVC and electron-ray circuit diagrams were prepared in Microsoft Powerpoint based on circuits described in Marcus & Levy's Elements of Radio Servicing.
Tube characteristics were scanned from the 1937 Raytheon Receiving Tubes Databook.
All other graphics were prepared by the author and rendered using Adobe Photoshop 4.0.1.
