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LicenseBecquerel phosphoroscope, signed Jules Duboscq a Paris, c. 1870.
Science Museum Group
© The Board of Trustees of the Science Museum
Becquerel phosphoroscope, signed Jules Duboscq a Paris, c. 1870.
Details
- Category:
- Optics
- Object Number:
- 1985-92
- Materials:
- metal (unknown), copper (alloy), brass (copper, zinc alloy), iron and wood (unidentified)
- Measurements:
-
overall: 345 mm x 215 mm x 215 mm, , 4.45kg
- type:
- phosphoroscope
- credit:
- Trevor Philip and Sons
