Brass mounted symmetrical lens F.8 11 inch f.l with a ring iris diaphragm

Brass mounted symmetrical lens F.8 11 inch f.l with a ring iris diaphragm. Thornton Pickard, c 1910.

Details

Category:
Photographic Technology
Collection:
Arthur Frank Collection
Object Number:
1979-559/1156
Materials:
glass and brass (copper, zinc alloy)
Measurements:
overall: 64 mm 57 mm,
type:
symmetrical lens
credit:
The Arthur Frank Collection