Plotting scale

Made:
1876 in London
maker:
William Ford Stanley
One of  26 plotting scales by W.F

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One of 26 plotting scales by W.F
Science Museum Group
© The Board of Trustees of the Science Museum

One of 26 plotting scales by W.F. Stanley, Great Turnstile London. Ivory scale with bevel section, 12-inch with 40, 60, 80, & 120 divisions on the front.

Details

Category:
Mathematics
Object Number:
1876-284/17
Materials:
ivory and complete
Measurements:
overall: 3 x 312 x 30 mm
type:
drawing instruments and plotting scale
credit:
W.F. Stanley and Company