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SECRECY SCRAMBLER SET No 8, 1950's

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SECRECY SCRAMBLER SET No 8, 1950's

The Secrecy Set No8 distorts the signal to an unrecognisable mush, the circuit is then reversed at the receiving end.
It would not be difficult to un-distort the message that is sent down the line. This machine is a Transistorised version of the valve equivalent used after the war, and supplied by the British Post Office for commercial use only.

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A0753



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