Brass sector by George Adams, 1756-1760

Made:
1756-1760 in London
maker:
George Adams

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

Nine inch brass sector, by Adams; engraved "Improv'd and made by Geo. Adams, Mathm. Inst. Maker to His Royal Highness,
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Brass sector, by Adams; 9 inch, engraved "Improv'd and made by Geo. Adams, Mathm. Inst. Maker to His Royal Highness, George Prince of Wales, London", in fishskin case

Nine inch brass sector, by Adams; engraved "Improv'd and made by Geo. Adams, Mathm. Inst. Maker to His Royal Highness, George Prince of Wales, London", in fishskin case. Sectors were used in calculations involving proportion. They contain logarithmic and trigonometrical lines, many of which radiate from the centre of the hinge.

Details

Category:
Mathematics
Object Number:
1916-312
Materials:
brass, complete, fishskin, wood
type:
sector
credit:
Thomas H. Court

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