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History of Science Museum

'Concise' Circular Slide Rule, by Concise Co. Ltd., Edogawa-ku, Tokyo, Japan, Mid-20th Century

Inventory Number 50019


Item type
Object
Provenance
Presented by Mr Michael Grange in 2002.
Primary inscriptions
"Firmenich", on front of instrument. "CIRCULAR CONCISE SLIDE RULE MADE IN JAPAN", printed around centre of plastic disc. "CONCISE" on front of black plastic slip on case.
Physical material
Plastic
Object type
Slide rule
Dimensions
Width: 75mm
Inventory No
50019
Accession Number
2002-17

Description

Rectangular white plastic instrument containing tables printed on plastic insert, with rotating circular slide rule with pointer on front. Probably a promotional item for fragrance research company Firmenich. Instruction booklet accompanies instrument, and both booklet and instrument fit inside black plastic slip-on case.