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Otis King's Cylindrical Slide Rule, by Carbic Ltd, London, Early 20th Century

Inventory Number 55087

Acknowledgement: © History of Science Museum, University of Oxford, inv.55087

Item type
Object
Provenance
Not ascertained
Primary inscriptions
Printed on scales "OTIS KING'S POCKET CALCULATOR", "PATENTEES & SOLE MANUFACTURERS ; CARBIC LTD, 51 HOLBORN VIADUCT LONDON E.C.1" and "OTIS KING'S PATENT No. 183723". Punched on base "A / 5485"
Physical material
Metal Alloy
Paper
Object type
Slide rule
Dimensions
Diameter: 30mm Height: 277mm Weight: 165g
Inventory No
55087

Description

Cylindrical silver tube that Carries off-white scales numbered 429 and 430; with suspension ring in the centre. Printed on scales "OTIS KING"S POCKET CALCULATOR", "PATENTEES & SOLE MANUFACTURERS ; CARBIC LTD, 51 HOLBORN VIADUCT LONDON E.C.1" and "OTIS KING"S PATENT No. 183723". Punched on base "A / 5485".

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