Wynne Infallible exposure meter

maker:
The Infallible Exposure Meter Co

Wynne's Infallible exposure meter (slide rule), made by the Infallible Exposure Meter Co. Calibrated f4-256; exp. time 1/128 - 64 secs. Plate speeds 1/4 1024. Used with actinometer box (missing). (M261)

Details

Category:
Photographic Technology
Object Number:
1990-5036/532
Materials:
metal (unknown), wood (unidentified)
type:
exposure meter
taxonomy:
  • furnishing and equipment
  • measuring device - instrument
  • photometer
  • light meter
credit:
The Kodak Collection at the National Media Museum, Bradford
status:
Permanent collection

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