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History of Science Museum

Main Starter Switch, Early 20th Century

Inventory Number 92107


Acknowledgement: © History of Science Museum, University of Oxford, inv.92107

Item type
Object
Provenance
Presented by the Marconi Corporation.
Primary inscriptions
"VOLTS 24 / 300 WATTS / No. 1066 S R / TYPE No. 385/1" on brass plaque on upper surface.
Object type
Radio communication
Dimensions
Height: 180mm Width: 130mm Depth: 75mm
Inventory No
92107
Accession Number
2004-9/180

Description

Main Starter Switch, (24 Volts, 300 Watts), in black-painted lattice iron casing with progressive switch with black-painted handle and copper points. Including variable A.C. generator control with celluloid? label and bakelite? knob. With four brass terminals marked "A.C.F.", "ARM", "M.", "M.F.". Previously catalogued with similar Main Starter Switch (Inv. Num. 39443).