Adler AIS | Details

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Object number

N-45
Classification

Mathematical
Object name

Sector
Creator

Canivet, Jacques
Description

Circular, hinged sector. Hinge engraved with foliage. Ornate, scalloped friction ledge. Two pin-in-hole closures. Usual French-type sector scales. Line of polygons marked 3-12 instead of more common 4-12. Single scales marked 0-24.
Inscription/Sig.

"Canivet á La/Sphere AParis"
Material

brass
Place Of Prod.

France

Dimensions

Frame