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Two prisms
- maker:
- William Ladd
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Two prisms, of crown and plate glass respectively, angle 10 degrees, by Ladd, London, c. 1872
Details
- Category:
- Optics
- Object Number:
- 1872-31
- Materials:
- glass, crown and glass, plate
- type:
- prism -optical
- credit:
- Ladd, W.