Brass mounted symmetrical lens F.8 11 inch f.l with a ring iris diaphragm
- Made:
- 1905-1915 in Altrincham
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Science Museum Group
© The Board of Trustees of the Science Museum
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
