French sector by Canivet,

Made:
1751-1774 in Paris
Sector, 6 1/2"; brass; engraved "Canivet a paris". Brass French sector by Canivet, Paris, 1751-1774. French sectors are Brass French sector by Canivet, Paris, 1751-1774. French sectors are less complicated than English sectors. They are

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Sector, 6 1/2"; brass; engraved "Canivet a paris". Brass French sector by Canivet, Paris, 1751-1774. French sectors are
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Brass French sector by Canivet, Paris, 1751-1774. French sectors are less complicated than English sectors. They are
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Sector, 6 1/2"; brass; engraved "Canivet a paris"

Brass French sector by Canivet, Paris, 1751-1774. French sectors are less complicated than English sectors. They are also used for calculations involving proportions of length, area and volume.The lines radiate from the centre of the hinge.

Details

Category:
Mathematics
Object Number:
1917-94
Measurements:
overall (closed): 4 mm x 173 mm x 30 mm, 0.156 kg
type:
sector
credit:
Thomas H. Court