Practos Exposure Meter

Practos Exposure Meter

Practos Exposure Meter
Science Museum Group
© The Board of Trustees of the Science Musuem

Practos Junior visual or extinction type exposure meter in box with instruction leaflet.

Details

Category:
Photographic Technology
Object Number:
Y2001.96
Materials:
paper (fibre product), cardboard, metal (unknown) and plastic (unidentified)
Measurements:
box: 38 mm x 97 mm x 52 mm, 22 mm,
type:
photographic equipment