Creed teleprinter No. 3X, Serial No. 5416, made by Creed and Company Limited, Croydon, London, England, 1927-1942.
The teleprinter used a development of Donald Murray's five-unit code but incorporated 'start-stop' signals as part of each letter code. This meant that the sending and receiving machines always remained in synchronism without needing highly accurate speed controls on the motors. Equipped with a standard typewriter keyboard, the teleprinter could be used by anyone with minimal training and the messages were automatically printed in clear type. The Creed teleprinter 3X was introduced in 1927 for the General Post Office and printed onto narrow gummed paper tape for pasting on to telegram forms. Until 1949, this was the standard machine used on the British Post Office Inland Telegraph Service for point-to-point and manual switching circuits.
- Science Museum, Information Age Gallery: Cable
- Object Number:
- 1971-181 Pt1
- telegraph peripheral
- component - object
- telegraph instrument
- Donated by the General Post Office
- Permanent collection
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