Original workshop micrometer
- Made:
- 1884
Original workshop micrometer, 3"-6", made and designed by Thomas Humpage in 1884, reading to 1/1000th inch
Details
- Category:
- Industrial Metrology
- Object Number:
- 1929-882
- Materials:
- cast iron, steel & brass
- type:
- micrometer
- credit:
- Humpage, T.