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Lens showing manufacture process

Raw glass mould for bi-convex lens, one of eleven glass lenses in various stages of polishing and grinding to make an achromatic doublet lens, by J. H. Dallmeyer Limited, London, England, 1950-1983
Details
- Category:
- Optics
- Object Number:
- 1983-1051/6
- Materials:
- glass
- Measurements:
-
overall: 13 mm 37 mm, .033kg
- type:
- lens - component