'Whole and Halves' proportional compass by William Ford Stanley

'Whole and Halves' proportional compass by William Ford Stanley, Great Turnstile, London, England, 1876.

Details

Category:
Mathematics
Object Number:
1876-278
Materials:
brass
Measurements:
overall (closed): 12 mm x 13 mm x 173 mm, 0.044 kg
type:
proportional compass
credit:
W.F. Stanley and Company