An industrial lathe for cutting screw threads: from the side (upper figure) and from above (lower figure). Lithograph by Mackay & Kirkwood, 1860.
- Date:
- [1860]
- Reference:
- 46077i
Licence: Public Domain Mark
Credit: An industrial lathe for cutting screw threads: from the side (upper figure) and from above (lower figure). Lithograph by Mackay & Kirkwood, 1860. Wellcome Collection. Source: Wellcome Collection.