Sample thread gauge
- Made:
- circa 1917-1919
A sample thread gauge used for a demonstration and test piece in the Horizontal projector.
Details
- Category:
- Industrial Metrology
- Object Number:
- 1919-488/5 Pt2
- Materials:
- steel (metal)
- Measurements:
-
overall: 15 x 5 cm
- type:
- thread gauge
- credit:
- Ministry of Munitions