Brass sector by George Adams, 1756-1760, with fishskin case
- maker:
- George Adams
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LicenseThis image is released under a CC BY-NC-SA 4.0 Licence
Buy this image as a print
BuyLicense this image for commercial use at Science and Society Picture Library
LicenseNine inch brass sector
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Brass sector, by Adams; 9 inch
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.
Parts
Brass sector, nine inch, by Adams
- Materials:
- brass (copper, zinc alloy) and complete
- Object Number:
- 1916-312 Pt2
- type:
- proportion drawing instruments and sectors
