Folding arm protractor

Made:
1876 in London
maker:
W F Stanley and Company Limited

Folding arm protractor, 6 inch; brass, divided in half degrees on silver, reading by vernier to one minute of arc. Distance between points about 12 inches

Details

Category:
Mathematics
Object Number:
1876-641
Materials:
brass and scale, silver
type:
drawing instruments and folding arm protractors
credit:
W.F. Stanley and Company