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View from our Terrace, 2023
Photo 34 of 35
Churchill first used the Transatlantic Telephone Room...
to speak to Pres. Roosevelt in April '44. The system (called Sigsaly) was designed by Bell Telephone Labs. As WC talked, his words were automatically scrambled by a small machine in the room to a bigger unit beneath Selfridges Dept. Store. Roosevelt had the same apparatus on his side.
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