Two small angle prisms each 4 in square for prismatic camera

Made:
1860-1885

Two small angle prisms each 4 in square for prismatic camera, each in metal mount with adjusting screw, wooden case for each.

Details

Category:
Astronomy
Object Number:
1900-142
Materials:
glass, metal and wood
type:
spectroscope - objective prism
credit:
The Royal Society

Parts