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Internal bore micrometer
- Made:
- Providence county

An internal bore micrometer model No-260 by Brown Sharpe in a case with interchangeable rods to allow measurement from 2" to 9- 1/2".
Details
- Category:
- Hand and Machine Tools
- Object Number:
- 1929-803/33
- type:
- micrometer
- credit:
- Buck and Hickman Limited