Focussing Lens
- Made:
- 1930-1950 in United Kingdom
"Welvin" focusing magnifier lens.
Details
- Category:
- Photographic Technology
- Object Number:
- Y1978.45.2
- Materials:
- brass (copper, zinc alloy) and glass
- Measurements:
-
overall: 63 mm 144 mm,
- type:
- magnifying lens
- credit:
- Gift of Mrs. E. Traynor
