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Teleprinters - Teletype Model 15, 1940s Object Reg. No: ST 041364

Summary:
Two Teletypes (Model 15) made by the Teletype Corporation in the United States and used in telegraphic communication systems. Input was via a keyboard and output appeared as printed characters on a roll of paper. These machines were brought into use in Australia during World War II.

In the days before computer keyboards and monitor screens, machines like this were also used for communication between humans and computers. Sometimes, keyboard inputs were not sent directly to the computer, but were stored in the form of patterns of holes punched in long paper tapes. In a separate operation, these tapes would be read into the computer.

These teletype machines were noisy in operation. They also tended to vibrate violently and when printing a long message, they tended to 'dance' unless they were anchored to one spot.
Description:
Metal case with black crinkle finish. Keyboard projecting at lower front of case. Paper roll and printing mechanism behind glass panel on sloping top of case.
Acquisition Information:
Donation from Telecom Australia, 1979
Discipline: Technology
Dimensions: 420 mm (Height), 440 mm (Width), 500 mm (Length)

More information

Tagged with: data processing, telecommunications, telegraphy equipment, teletype equipment, teletype telegraphy
Themes this item is part of: Telegraphy Collection, Information & Communication Collection
Primary Classification: COMMUNICATIONS
Secondary Classification: Telegraphy
Tertiary Classification: input/output
Manufacturer: Teletype Corporation, Skokie, Illinois, United States of America, circa 1940s

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