Burt's Slide Rule for reducing superficial measurements to inches

Made:
1887 patent in London
maker:
Dring and Fage and E A P Burt
Burt's Slide Rule for reducing superficial measurements to

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Burt's Slide Rule for reducing superficial measurements to
Science Museum Group
© The Board of Trustees of the Science Musuem

Burt's Slide Rule for reducing superficial measurements to inches, by Dring and Fage, 56 Stamford Street, London, England. Made to 1887 patent, 24-inches long.

Details

Category:
Industrial Metrology
Object Number:
1921-160
Materials:
wood & brass
Measurements:
overall: 1.378 x 9.4488 x 2.7559 in.; 3.5 x 24 x 7 cm
type:
slide rule
credit:
Loveland, A.E.