3 1/2"plain ring gauges by Sir W.G. Armstrong Whitworth and Co. Ltd.
1904
3 1/2" and 4 1/2" ring gauges by Sir W.G. Armstrong Whitworth and Co. Ltd
- Made:
- 1904 in Manchester
3 1/2" and 4 1/2" ring gauges by Sir W.G. Armstrong Whitworth and Co. Ltd., 1904
Details
- Category:
- Industrial Metrology
- Object Number:
- 1983-394
- Materials:
- steel (metal)
- Measurements:
-
3.5" gauge: 7 x 13 cm
- type:
- ring gauge
- credit:
- National Physical Laboratory.
