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License'Barred' type glass optical field-prism
Science Museum Group
© The Board of Trustees of the Science Museum
'Barred' type glass optical field-prism, consisting of two triangular prisms (90 degrees of refraction), cemented and in optical contact at their hypotenuse face, unsigned, European, 1920-1950.
Details
- Category:
- Optics
- Object Number:
- 1955-336
- Materials:
- glass and Canada balsam
- Measurements:
-
overall: 10 mm x 18 mm x 10 mm, Wt. 0.003kg
- type:
- prism - optical and component - object
- credit:
- Banfield, Arthur Clive
