Double image wedge micrometer by Dollond

Made:: 1754-1769 in London

maker:: Peter Dollond

Double image wedge micrometer by Dollond, box sold ScM1806/83/1
Science Museum Group
© The Board of Trustees of the Science Museum

Double image wedge micrometer by Dollond, box sold ScM1806/83/1

Details

Category:: Astronomy

Object Number:: 1906-64

Materials:: metal

Measurements:: length 250 mm
width 150 mm
height 50 mm

type:: split-lens eyepiece micrometer and instrument component

credit:: J.C. Stevens Auction House

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Double image wedge micrometer by Dollond

Details

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