[Hallicrafters] 1000 kc crystal tube

[rbethman]

Dan,

Look for a LM-221 (or is it a BC-221?) frequency meter.  That's where it 
came from, almost a certainty!  They all have one, and some even have a 
spare - IF the spares haven't been robbed.

Bob - N0DGN

On 2/25/2010 6:04 PM, Dan Cotsirilos wrote:
> Someone sent me in error a 1000 kc crystal unit marked Signal corps. It looks like the black metal can tubes like a 6SJ7 etc. It is brand new. Can anyone use such a item?
>
>
> Dan K9DTC