+"Rocky Point New York USA" +1928 stock footage and images

Transmission of a telephone call from San Francisco to Plymouth, England; early switchboard operators.

A film shows how voice travels over phones, and dramatizes the transmission of a telephone call from San Francisco to Plymouth, England. Functions of telephone system components, including generators, towers, transformers, technicians at circuits, wire lines and the aerial systems at Rocky Point in New York, Cupar in Scotland and Houlton in Maine. Shows switchboard activity at the London Trunk Exchange. Workers, mostly women telephone switchboard workers, answering and routing calls in telephone exchange.