Calculating rule by Lenoir in centimetres with conversions

Made:
1800-1825 in France
maker:
Etienne Lenoir

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Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Calculating rule by Lenoir in centimetres with conversions. Early 19th century

Details

Category:
Mathematics
Object Number:
1994-1082
type:
rule
credit:
Tesseract