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History of Science Museum

Telephone Relay Type G, by S.G. Brown, London, c. 1908

Inventory Number 13183


Acknowledgement: © History of Science Museum, University of Oxford, inv.13183

Item type
Object
Provenance
Presented by the Marconi Corporation.
Primary inscriptions
"S.G. BROWN'S / TELEPHONE RELAY / PATENT 11136-1908 / PAT. APLD. FOR / 4 GREAT WINCHESTER ST / LONDON E C / No 626 / TYPE 'G' " etched on upper surface of cylinder.
Physical material
Mahogany
steel?
brass.
Object type
Radio communication
Dimensions
Diameter: 125mm Height: 120mm
Inventory No
13183
Accession Number
2004-9/435

Description

Telephone Relay Type G, with 1908 patent date. With black-painted steel? cylinder and circular mahogany base. With four lacquered brass screws (marked "A", "B") upon upper surface of the base.

Previously catalogued with two other relay (Inv. Num.s 46067, 91761).