Comparison Densitometer

Wooden box on hinged base with double mirror system giving split viewing field observed through tube with one eye piece. Calibrated continuous wedge (broken) moves in slide over one aperture, hinged wooden strip with opal glass fits over other aperture. In wooden box.

Details

Category:
Photographic Technology
Collection:
Kodak Collection
Object Number:
1990-5036/1365
Materials:
glass and wood (unidentified)
type:
densitometer
credit:
The Kodak Collection at the National Media Museum, Bradford