Block of lenses (7) ground with fine emery by J.H. Dallmayer Ltd.

Made:
1909 in London
maker:
J H Dallmeyer Ltd
Block of lenses (7) ground with fine emery by J.H

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Block of lenses (7) ground with fine emery by J.H
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