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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, if you had the expertise. 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.
The Manufacturer E.M.T. is a mystery, it is a possibility that it could be EMI who made it, the last letter 'T' being a code, as in War time Utility sets, that used a letter codes to indicate the maker. Off course as this is a Secrecy set it would not be good practice to divulge the maker.
This item can be demonstrated.
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A0753
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