Block of lenses (7) ground with fine emery by J.H. Dallmayer Ltd.
- maker:
- J H Dallmeyer Ltd
This image is released under a CC BY-NC-SA 4.0
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Science Museum Group
© The Board of Trustees of the Science Museum
Block of lenses (7) ground with fine emery by J.H. Dallmayer Ltd., London, England, 1909.
Details
- Category:
- Optics
- Object Number:
- 1909-172
- Materials:
- steel (metal), pitch and glass
- Measurements:
-
overall: 45 mm x x , 112 mm, .53kg
- type:
- lenses
- credit:
- Thales UK Ltd
