Watkin's Time Thermometer for Autochromes
- maker:
- Alfred Watkins
Watkin's time thermometer for autochromes.
Details
- Category:
- Photographic Technology
- Object Number:
- 1965-439
- Measurements:
-
overall: 198 mm 21 mm, .026 kg
- type:
- thermometers
- credit:
- Hardy, J.
