![](https://coimages.sciencemuseumgroup.org.uk/357/152/large_thumbnail_1959_0120__0001_.jpg)
Ivory sector (6-inch) by W.F Stanley & Company, Lo
- maker:
- William Ford Stanley
![Ivory sector (6-inch) by W.F Stanley & Company, Lo](https://coimages.sciencemuseumgroup.org.uk/223/629/medium_1876_0309_0001__0001_.jpg)
Proportion drawing instrument, ivory sector (6-inch) by W.F Stanley & Company, London, c. 1876. Gunter type.
Details
- Category:
- Mathematics
- Object Number:
- 1876-309/1
- Materials:
- copper (alloy) and ivory
- Measurements:
-
overall (closed): 3 mm x 160 mm x 135 mm, 0.03 kg
- type:
- sector
- credit:
- W.F. Stanley and Company