Taps and dies for cutting screw threads, and a water-tight window: cross-sections, and details. Engraving by J. Cleghorn after C. Varley.

  • Varley, Cornelius, 1781-1873.
Reference:
41239i
Catalogue details

Licence: Public Domain Mark

Credit: Taps and dies for cutting screw threads, and a water-tight window: cross-sections, and details. Engraving by J. Cleghorn after C. Varley. Wellcome Collection. Source: Wellcome Collection.

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