Spherometer, 3-legged type

Made:
1875-1885 in Paris
maker:
E Ducretet and Company
Spherometer, 3-legged type, signed E

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Spherometer, 3-legged type, signed E
Science Museum Group
© The Board of Trustees of the Science Museum

Spherometer, 3-legged type, signed E. Ducretet a Paris, France, c. 1880.

Details

Category:
Optics
Object Number:
1983-136
Materials:
metal (unknown), copper (alloy), brass (copper, zinc alloy) and steel (metal)
Measurements:
overall: 170 mm x 137 mm x 127 mm, , .835kg
type:
spherometer