Six inch ivory sector by John Cail
- Made:
- 1825-1848 in Newcastle upon Tyne
- manufacturer:
- John Cail
One 6-inch ivory sector by John Cail, Newcastle-Upon-Tyne (B 504; A200287)
Details
- Category:
- Mathematics
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- 1980-1136
- Measurements:
-
overall - closed: 4 x 160 x 36 mm
- type:
- proportion drawing instruments and sectors
- credit:
- On loan from the Wellcome Trust