Eyepiece micrometer for telescope

maker:
John Browning
Eyepiece micrometer for telescope, engraved John Browning

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Eyepiece micrometer for telescope, engraved John Browning
Science Museum Group
© The Board of Trustees of the Science Museum

Eyepiece micrometer for telescope, engraved John Browning, London, c.1890

Details

Category:
Optics
Object Number:
1985-103
type:
angle measuring instrument - optical micrometer
credit:
Banks, V.P.