In a Manhattan skyscraper on lower Broadway, an engineer pulled a switch. Simultaneously two cylinders began to turn, one in New York, and one in the Discount Building, Cleveland. Two hundred and seventy-six seconds later a photographic film of President and Mrs. Coolidge, the original of which was 600 miles away, was ready for development in Manhattan. This was the first public demonstration by the American Telephone and Telegraph Co. (see Page 21) of the most successful method of electrically transmitting photographs yet developed. It is by no means the first time...
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