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License'Fresnel' type circular glass biprism, unsigned, European
Science Museum Group
© The Board of Trustees of the Science Museum
'Fresnel' type circular glass biprism, unsigned, European, 1920-1950.
Details
- Category:
- Optics
- Object Number:
- 1955-335
- Materials:
- glass
- Measurements:
-
overall: Dp.7 mm x Dia. 51 mm, Wt. 0.032kg
- type:
- prism - optical and component - object
- credit:
- Banfield, Arthur Clive
