Re: ID This Device?
A brief search turned up the frequency allocations agreed at Atlantic City in 1947. 2182kHz is mentioned as the R/T distress freq and the band my crystal is in is allocated to the Mobile Service, which I assume includes Maritime Mobile.
However, IMHO the crystal I have has a pre-war origin, by 1947 much smaller crystals with internationally agreed holder types were abundant.
Thanks for the interest from members, who I know always like a mystery!
Roger
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