Protractor by Dollond, late 18th century

Made:
1770-1800 in London
maker:
Dollond family

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Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group
© The Board of Trustees of the Science Museum

Brass rectangular protractor, by Dollond, size 5 1/4" x 2", engraved "Dollond, London"

Rectangular protractor in brass, engraved "Dollond, London", late 18th century.As well as the usual angular scale the instrument contains a diagonal scale for plotting distances on a map or plan.

Details

Category:
Mathematics
Object Number:
1915-388
type:
protractor.
credit:
Thomas H. Court