Hansard Densitometer

Description

An optical instrument used to measure the density (built in darkness) of photographic film and paper. Without one, objective evaluation is quite difficult. You position the material between the light source in the head of the device and the photoelectric cell in the base to achieve a reading.

Object Name(s): densitometers

Object Category: MISCELLANEOUS

Materials: plastic
Material Part: body

Credit Line: National Print Museum, Dublin