Rolling parallel rule, made by John Benjamin Dancer
- Made:
- circa 1860 in Manchester
- maker:
- John Benjamin Dancer
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Science Museum Group
© The Board of Trustees of the Science Museum
Rolling parallel rule, made by Jq4art, Manchester, c.1860.
Graduated 1 to 12 inches to 0.1inch on two faces; and 0-42 in 1/4 inches; 15-0 in 3/4 inches; and 0-20 in 1/2 inches; and 0-11 inches. Rolling wheels also graduated.
Details
- Category:
- Mathematics
- Object Number:
- Y2003.23
- Measurements:
-
Overall: 15 mm x 63 mm x 315 mm,
- type:
- parallel ruler
