[R-390] Question ?

Tue, 18 Jun 2002 20:31:14 -0500

That's a Collins part number.

Marshall Dues - WB5MYO

Merle Crowley wrote:
> 
> Hello again..
> 
> In some things I picked up was a NIB what appears to be a crystal calibrator
> for some type of Military gear.
> 
> On the bottom is the following info. 250 KC OSC. 506-6215-904 MOD.2  Bailey
> Crystal oven code date 4/56  Uses a pair of 5749 tubes.
> 
> Wonder if anyone can tell me what radio it is made for please?
> 
> Thanks..
> 
> Merle
> 
> W1GZS
> 
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