Fishskin case for brass sector by Adams
Fishskin case for brass sector, by Adams; 9 inch, made by Geo. Adams London
- Materials:
- fishskin
- Object Number:
- 1916-312 Pt1
- type:
- instrument case
- Image ©
- The Board of Trustees of the Science Museum
Brass sector by George Adams, 1756-1760, with fishskin case
- maker:
- George Adams
This image is released under a CC BY-NC-SA 4.0
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Buy this image as a print
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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
License
Science Museum Group Collection
© The Board of Trustees of the Science Museum
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
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".
- Materials:
- brass (copper, zinc alloy) and complete
- Object Number:
- 1916-312 Pt2
- type:
- proportion drawing instruments and sectors
