Burt's American Board Rule for superficial measurements

Made:
circa 1908 in London
maker:
Dring and Fage
inventor:
E A P Burt
Burt's American Board Rule for superficial measurements

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Burt's American Board Rule for superficial measurements
Science Museum Group
© The Board of Trustees of the Science Museum

Burt's American Board Rule for superficial measurements, 36-inches long, by Dring & Fage, 56 Stamford Street, London, England, date unknown.

Details

Category:
Industrial Metrology
Object Number:
1921-158
Materials:
boxwood and brass (copper, zinc alloy)
type:
board rule
credit:
Loveland, A.E.