Hurter and Driffield actinograph
Hurter and Driffield Actinograph Patent No. 5545 1888, with slide rule calculator with roller, seals for H & D speeds 300-0.5: light: very dull - very bright, aperture f/2.8-64, exposure time 0.05sec to 60 secs. Time of year and day on roller. Calibrated for North latitude 52 30 0 degrees. In wooden case. Marion & Co. 1892.
Details
- Category:
- Photographic Technology
- Collection:
- Kodak Collection
- Object Number:
- 1990-5036/1892
- Materials:
- wood
- type:
- actinometer
- credit:
- The Kodak Collection at the National Media Museum, Bradford
Parts
Hurter and Driffield actinograph instructions
Hurter and Driffield actinograph instructions. Marion and co. 1892.
