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Find number abc

If 73ac6 + bbc63 = 161a69 find number abc. Multiple solutions may exist.

Correct answers: 4

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Radio facsimile

In 1925, the first U.S. commercial transcontinental radio transmission of a radio facsimile was sent from San Francisco, California to New York City. The photograph showed Marion Davies receiving a make-up box as a gift from Louis B. Mayer of Metro-Goldwyn-Mayer Pictures. The service had been tried out the previous month by the American Telephone and Telegraph Company on 4 Mar 1925. The first photograph sent showed the inauguration of President Calvin Coolidge taken in Washington, D.C. Nine photographs were transmitted, each taking seven minutes, going to New York, Chicago, and San Francisco.

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