Historical Medical and Technology Advances

A collection of early 20th century innovations in medicine and technology, showcasing surgical procedures, early television, and communications experiments.

Demonstrate First Television Set For Simultaneous Transmission And Reception -- Miss Theo de Vaux before the "Mechanical Eyes" of a television instrument developed by the California television society, which is designed to transmit both the image and the voice of the person it its range. Gilbert G. Lee, Honorary member of the Society, is shown supervising the experiment.This experimental television apparatus is said to be the first capable of simultaneous transmission and reception. So successful have the experiments been that a signature, a telegram or any reproduction in black and white can be transmitted and received by either radio or wire in the space of fifteen seconds. The system uses the method of delayed vision instead of the multitudinous dots on which other systems are based and the instruments "see", send, receive and reproduce the transmitted object in its entirety instead of a small portion at a time.June 22, 1931. (Photo by International Newsreel Photo).

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