Hurter and Driffield actinograph
Hurter and Driffield actinograph, sold by Marion and CO. , London. Wooden slide-rule calculator; sliding card scale for time of month and day, N. lat 32 degrees 30'. Calibrated for H and D speeds, 0.5-300; lighting, f no. exp time.
Details
- Category:
- Photographic Technology
- Collection:
- Kodak Collection
- Object Number:
- 1990-5036/576
- Materials:
- wood (unknown)
- type:
- actinograph
- credit:
- The Kodak Collection at the National Media Museum, Bradford