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History of Science Museum

Rotational Speed Indicatior in case, by Elliott Brothers (London) Ltd., c.1920

Inventory Number 13119


Acknowledgement: © History of Science Museum, University of Oxford, inv.13119

Item type
Object
Provenance
Presented by the Marconi Corporation in 2003.
Primary inscriptions
'SPEED INDICATOR / NO.27955 / ELLIOTT BROTHERS / (LONDON) LIMITED'
Object type
Electronic instrument
Dimensions
Diameter: 80mm Height: 85mm
Inventory No
13119
Accession Number
2003-11

Description

Rotational Speed Indicator, by Elliott Brothers (London) Ltd.. Indicator is encased in a metal cylinder with a scale under glass. Indicator is stored in a leather case with metal clasp, velvet fitting and silk? lining to lid. Also stored in case are two metal fittings.