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Science Museum Group
© The Board of Trustees of the Science Museum
'Holdens' minimeter comparator, for rapid dimension checking, by F. Holden Co., London, EC4, England, 1917-1919.
Details
- Category:
- Industrial Metrology
- Object Number:
- 1919-252
- Materials:
- steel and brass
- Measurements:
-
overall: 9.8425 x 4.8425 x 6.6929 in.; 25 x 12.3 x 17 cm
- credit:
- Holden, Frank
