7/8"screw die in three parts, for bolt manufacture
- PART OF:
- Whitworth Screw stock taps
- Made:
- 1850-1857 in Manchester urban district
7/8"screw die in three parts
Details
- Category:
- Hand and Machine Tools
- Object Number:
- 1857-8 Pt3
- Materials:
- steel (metal)
- type:
- screwing tackle
- credit:
- Joseph Whitworth and Co.
