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Whitworth mechanical comparator, 1855.

Whitworth mechanical comparator, 1855.
3 2 c m
actual image size: 32cm x 24cm


This measuring machine compares components against standard inch bars. Sir Joseph Whitworth, (1803- 1887), was an English mechanical engineer who pioneered precision measurement. He created a small tool-producing workshop which expanded into machine tools and engines including steam engines.

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