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- Le Radion, Le Clairton, Made by French Tube Makers?
Click on the pictures above for a larger view. These exceptionally beautiful UV Le Radion and Le Clairton vacuum tubes, made in the 1923 time- line, imply they were made by a French maker, but were they? It seems not. A contemporary shipping box for the Le Radion brand indicates they could have been made… - Pacific Radio News – Moorhead Tubes on the Cover
Pacific Radio News magazines were first published in January, 1917 by the San Francisco Radio Club with H. W. Dickow as editor, P. R Fenner as manager, L. O Fassett as assistant manager, and D. B. Mcgown as assistant editor, It was a monthly magazine featuring up-to-date radio communication news from around the country, and… - Observations on the Western Electric VT-15, 1920
Very little is known about the W. E. VT-15 save for these facts: It is rare. Perhaps only 4 or 5 known. It has the same specs as the Western Electric 215-A but with a “Duck Foot” splayed base pin configuration for possible use by the US Navy. Specs of the W.E. 215 A here:… - A Few Notes on the DeForest CF 185
Figs.1, and 2 show the CF 185 detector tube with the US Navy 3- point base. The side pin and one of the bottom pins are the filament connections. These were made by DeForest for Navy use starting in Nov., 1916 as can be seen in the document on the left below. Etched on the… - Sonatron 3 Tube Amplifier
Sonatron made very interesting and at this date, somewhat rare amplifier units with red, white, and blue colored tubes that made for a outstanding marketing scheme. The buyer could choose what their MU tubes to be included with his purchase according to what was needed, higher volume, tone quality, high amplification, etc. It is also…