Internal micrometer by S.B.Allport, 1875
- Made:
- 1875
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Science Museum Group
© The Board of Trustees of the Science Museum
Internal micrometer by Allport, 1875 for measuring long bores of 0 .65 to 0 .8 inches diameter.
Details
- Category:
- Industrial Metrology
- Object Number:
- 1876-1078
- Materials:
- steel (metal)
- Measurements:
-
object: 19.685 x .7874 in.; 50 x 2 cm
- type:
- micrometer
- credit:
- Allport, S.B.
