2 Bench micrometer-heads from a bench type measuring machine

2 Bench micrometer-heads from a bench type measuring machine,made 1924, by the N.P.L.

Details

Category:
Industrial Metrology
Object Number:
1981-770
Materials:
steel (metal)
type:
micrometer and instrument component
credit:
National Physical Laboratory.

Parts

A fiducial head used on the  bench type measuring machine

A fiducial head used on the bench type measuring machine

A fiducial head used on the bench type measuring machine,made 1924, by the N.P.L.

Measurements:
overall: 7.4803 x 12.2047 x 8.6614 in.; 19 x 31 x 22 cm
Materials:
cast steel ,bronze and hardened steel
Object Number:
1981-770/2
type:
micrometer measuring head
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The Board of Trustees of the Science Musuem