The year? 1935. The company? Western Electric.
The product? A 12-minute documentary on the evolution of long distance telecommunications service and technology from 1877 to 1935.
The result? Surprisingly engaging!
We watch as blinking lights illustrate cities joining the telephone network in the 1880s.
The narrator tells us: “In 1912, a new instrumentality came to telephone engineers for development, that was to revolutionize the art of telephony: the vacuum tube, to make possible calls across the country, calls to distant countries.”
Soon after, we learn of the first transcontinental call in 1915.
Watch the entire video above.