[Milsurplus] ft73 mount

[WA5CAB--- via Milsurplus]

Jeff,

Check the nameplate again.  According to SIG 5, FT-73 is an adaptor for 
replacing Transformer C-21-B with C-65.  Or Transormer C-51 & C-51-A with C-66. 
 SIG 5 doesn't list the end application for the first pair.  Just says they 
are interstage transformers.  But the second group are microphone 
transformers for BC-129, p/o SCR-133, a pre-war aircraft set.  Sure to be much 
smaller than 18" x 10".

Robert Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480

In a message dated 07/11/2015 08:53:26 AM Central Daylight Time, 
kg2bz at comcast.net writes: 
> does anyone know what these are for.  its about 18in or so wide by 10 
> deep.  looks to be used on aircraft as its pretty light.   thanks jeff kg2bz
>