Screws and threads, 1842-1846.
4 0 c m
actual image size: 23cm x 32cm

Screws and threads, 1842-1846.

Chapman, Henry

© Science Museum / Science & Society Picture Library


Chromolithograph after his own drawing by Henry Champman, showing the principle of the screw, and the square thread, common or 'V' thread, and the double thread. Below is a diagram demonstrating screw power. Illustration from 'Diagrams of mechanics / under the supervision of the Society for the Diffusion of Useful Knowledge' published in London, 1842-1846.



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