Three screw die sets: 1/2", 5/8" and 1", with three pieces per set, for bolt manufacture

1850-1857 in Manchester urban district
Joseph Whitworth and Company Limited

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Three sets of screw dies with three pieces per set, sizes 1/2", 5/8" and 1"


Hand and Machine Tools
Object Number:
1857-8 Pt4
screwing tackle
Joseph Whitworth and Co.

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