- Subject
- Calculation
- Item type
- Object
- Makers
- Otis King
- Provenance
- Presented by Mr J. Francis Roads in 2004 (catalogued 2007).
- Primary inscriptions
- On case "Otis King's PATENT CALCULATOR" On calculator "COPYRIGHT SCALE NO. 423 OTIS KING'S POCKET CALCULATOR" "MADE IN ENGLAND"
- Object type
- Slide rule
- Dimensions
- Diameter: 40mm Height: 158mm Weight: 178g
- Inventory No
- 10011
- Accession Number
- 2007-3
Description
Cylindrical metal slide rule which opens revealing paper scales. One portion painted black. In leather case.
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