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Travelling Wave Tube, by Standard Telephones and Cables Ltd, British, c.1955

Inventory Number 15437

Acknowledgement: © History of Science Museum, University of Oxford, inv.15437

Item type
Object
Provenance
Presented by Colin Potter.
Primary inscriptions
Printed on glass "STC [as logo] |MADE IN ENGLAND | W7/D3"
Dimensions
Diameter: 68mm Height: 445mm Weight: 163g
Inventory No
15437
Accession Number
2018-1

Description

Electronic amplifier using glass tube with helix, type W7/D3. Early commercial design of a type initially used for microwave radio relays.

See John Bray, Innovation and the Communications Revolution: From the Victorian Pioneers to Broadband Internet (London, 2002), pp. 140-44. For a similar example by STC see http://www.r-type.org/exhib/aab0032.htm.

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