Watkins' Experimental Exposure Meter

Made:
1889
inventor:
Alfred Watkins
Watkins' Experimental Exposure Meter

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Watkins' exposure meter, (earliest experimental model of 1889).

Details

Category:
Photographic Technology
Object Number:
1927-941
Materials:
paper (fibre product), glass and brass (copper, zinc alloy)
Measurements:
overall: 60 mm 28 mm, .075 kg
type:
exposure meter
credit:
Watkins, Alfred