I do not yet know the vintage of this grid
bias battery. I only presume that it is from the late 1920s.
I would very much like to see photographs of similar G.E.C. 'B' Batteries. Click the Icon to download a high resolution image that
you can have printed on a color laser copier. |
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The sockets are simply brass tubing with an INSIDE diameter of 1/8". The mounting is simply a piece of fiberglass printed circuit board material. The light green block is my fixture for |
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Click the icon to download a
high resolution scan of this page. |
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