Three foot scale

Made:
London
maker:
William Cary
Three foot scale, by William Cary, London; brass

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Three foot scale, by William Cary, London; brass
Science Museum Group
© The Board of Trustees of the Science Museum

Three foot scale, by William Cary, London; brass, 0 to 36" scale divided into tenths throughout, inch from 0 backwards divided to 1/100; 3' 3" x 2" x 1/8", rib 2' 11" along middle, screwed to rule by 19 screws, in wood box 3' 4" x 3" x 2", marked "S.94"

Details

Category:
Mathematics
Object Number:
1911-248
type:
drawing instruments and drawing scales (plotting)
credit:
British Admiralty (Hydrographic Department)