#Joseph Whitworth

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An ink orthographic drawing on cream vellum of Henry Maudslay's screw-cutting lathe shown in plan, front elevation and transverse section at one scale, with the leadscrew running the length of the bed picked out in a single blue-grey accent line and the change-gear train shown stacked at the headstock.

The Leadscrew That Built a More Accurate Leadscrew

Henry Maudslay's lathe is remembered for cutting better screws. What mattered more is that its leadscrew was accurate enough to cut the leadscrew of a more accurate lathe.

By Brecht Corbeel · August 26, 2026 · 7 min read

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