Wynne's "Infallible" Shutter Speed Tester
Wynne's "Infallible" shutter speed tester.
Details
- Category:
- Photographic Technology
- Object Number:
- 1965-442
- Measurements:
-
overall: 335 mm 55 mm, .215 kg
- type:
- shutter speed tester
- credit:
- Hardy, J.
