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Morse System. Morse telegraph reciever. Engraving 19th century.
UMG20B44_472

Morse System. Morse telegraph reciever. Engraving ...

Penkovsky-wynne spy trial, may 1963, code books received by penkovsky for deciphering instructions from the british and american intelligence services and sending coded messages back.
UMG20B03_167

Penkovsky-wynne spy trial, may 1963, code books re...