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
type:
measurement
credit:
Wellcome Trust