[Milsurplus] tuning unit question for bc-375

[William Donzelli]

> I have a BC-114. It was made by GE for the Signal Corp in 1922. It covers
> from 400 to 800 KHz.

Wow, 1922. Every one that I have seen have been from the late 1920s. 1926 
or 1928.

> A far cry from the 191, 375 or 223. Although it does
> use 3 211s and a VT-2.

Well, yes, major improvements between the BC-114 and the BC-*-191 (like
the banishment of the VT-2 for a VT-25, another VT-4-B, and the loss of
that goofy tone motor-generator), but the idea is basically the same. The
installations - the "big rig" for the bombers - were very much the same. 

William Donzelli
aw288@osfn.org