Part of heliograph, British, 1880-1920
Heliograph, 5-inch, serial no. B18848, marked HO ^ 35, with tripod (see note) marked HO ^ 15, unsigned, British, 1880-1920
.
- Measurements:
-
overall: 210 mm x 240 mm x 180 mm, 2.07kg
- Materials:
- steel (metal) , brass (copper, zinc alloy) and glass
- Object Number:
- 1989-514 Pt1
- type:
- instrument component and heliograph - telegraph
- Image ©
- The Board of Trustees of the Science Museum