Screw-thread correcting lathe

Made:
c.1910

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Screw-thread correcting lathe, MkII made by Glenfield and Kennedy for Bryant & Simmons, c. 1910, with one case of 27 change-wheels and other accessories, and detached change-wheel guard. Before the introduction of thread-grinding, machines like this were important in the manufacture of precision screws for screwing tackle and micrometer measuring machines

Details

Category:
Hand and Machine Tools
Object Number:
1989-767
type:
wrenches
credit:
Lewis Banks & Sons (Engineers) Ltd.