Fwd: Re: [Milsurplus] Can you recognise this item?

[J Forster]

Possibly, but analog computers rarely use RF frequencies (the capacitors are small). Most
analog fire control stuff works somewhere between DC and 5 KHz. Trig functions are implemented
with synchros and resolvers.

Best,
-John



Gene _ wrote:

> If someone hasn't suggested this already. Perhaps it
> is part of a fire-control computer, either land-based
> or naval.
>
> Look at some of these:
> http://www.usscod.org/conn.html
> http://www.answers.com/topic/torpedo-data-computer
> http://www.de220.com/Armament/Fire%20Directors/fire_directors.htm
>
> Some radar-controlled, some not, etc. The angle input
> and the servo-control are what would suggest this
> possibility. An interesting thing to consider and an
> area (analog computation) which is all too often
> overlooked by those attuned to radios. If this is what
> it is, this part is very precious historically!