Three screw die sets: 1/2", 5/8" and 1", with three pieces per set, for bolt manufacture
- PART OF:
- Whitworth Screw stock taps
- Made:
- 1850-1857 in Manchester urban district
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Three sets of screw dies with three pieces per set, sizes 1/2", 5/8" and 1"
Details
- Category:
- Hand and Machine Tools
- Object Number:
- 1857-8 Pt4
- Materials:
- steel (metal)
- type:
- screwing tackle
- credit:
- Joseph Whitworth and Co.
