Quote:
Originally Posted by M0FYA Andy
Excellent, how on earth did you find that, Lawrence?
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Googled "sound recorder type 4185" that returned a hit to the link below:
https://www.iwm.org.uk/collections/item/object/30000147
That had the same A.M Ref. and also a reference to Boosey & Hawkes , Grace's Guide for Boosey & Hawkes gave the advert for a wire recorder that looked very similar.
Lawrence.