[Milsurplus] Army Signal Corps wavemeter

[William Donzelli]

> Wondering if anyone out there has info on a BC-DA-153 wavemeter, made by
> Joseph Kriz Co, Washington DC, contract # 7719-NY-33. It is a
> buzzer-driven wavemeter, three bands from 75KC to 1500 KC. Unfortunately
> this one has been modified, buzzer removed and a diode detector put in.
> Would like to restore it to something like its original form. Diagram on
> cover is of little help in identifying the buzzer or battery voltage
> used. Any ideas?

I would like to find out what these things were used for as well. Most 
(all?) of the field sets that worked at or below the broadcast band were 
being taken out of service in the early 1930s.

The following link will take you to just about the *only* part of my 
collection webpage I managed to throw together:

http://starfish.rcsri.org/~william/milRadio/BC-153.html

I am not sure how a BC-153 and a BC-DA-153 differ.

William Donzelli
aw288@osfn.org