Men operate telegraph keys and an automatic perforator and transmitter in the United States.
United States USA Date:1921 Duration:2 min 41 sec Sound:NO SOUND
A film on technological advancements in the United States. Messages from London, England to New York, United States are received on siphon recorders and are transmitted by a Morse sounder and are forwarded to all points in America. A man operates a telegraph key. A recorder in operation. Students are trained at a training school at a cable station. Manual sending and receiving of a duplex to and from England. A man with earphones receives messages. A man places a record on a machine. An automatic perforator and transmitter sends 100 words per minute. Operators at keyboards. A tape is fed through a machine.
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