Photoectric cell c. 1915 (probably by GEC)
- Made:
- 1910-1920
Photoectric cell c. 1915 (probably by GEC)
Details
- Category:
- Optics
- Object Number:
- 1983-82
- Materials:
- copper (metal), selenium and glass
- Measurements:
-
overall: 50 mm x 110 mm x 120 mm, , .025kg
- type:
- photoectric cell
- credit:
- Abbinett, S.J.