A differential screw micrometer reading in metric unit

Made:
1876 in Hannover
A differential screw micrometer reading in metric unit

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A differential screw micrometer reading in metric unit
Science Museum Group
© The Board of Trustees of the Science Museum

A differential screw micrometer reading in metric unit, made by Landsberg And Wolpers 1876 and fitted with a rachet stop.

Details

Category:
Industrial Metrology
Object Number:
1876-366
Materials:
brass and steel .-brass instrument on steel base
Measurements:
14 x 17 x 9 cm
type:
micrometer
credit:
Landsberg and Wolpers