Decoudun photometer
- Made:
- 1800-1950
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© The Board of Trustees of the Science Museum
Photometre. The face side marked "J. Decoudun", "Brevete S.G.D.C." and "Paris". On the back showed a table about exposure time, and printing reads "POUR", "GELATINO BROMURE", "DE SENSIBILITE COURANTE", "Ne peser que 1 tiers pour sensibilite extreme".
Details
- Category:
- Photography
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- A202621
- Measurements:
-
overall: 65 mm x 65 mm x 32 mm,
- type:
- photometer
- credit:
- Wellcome Trust
