Prism Density-Comparator
- Made:
- 1912
Prism density-comparator by Sanger-Shepherd and Co., c. 1912, calibrated wedge missing
Details
- Category:
- Photography
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- 1985-542
- Measurements:
-
overall: 173 mm x 225 mm x 197 mm, 1.5 kg
- credit:
- Wellcome Trust
