1775 in science
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The year 1775 in science and technology involved some significant events.
Watt steam engine
John Arnold (watchmaker)
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John Arnold was an English watchmaker and inventor.
1775 in science
…Pierre-Simon Girard, age 10, invents a water turbine. December 30 – John Arnold takes out his first patent for improvements in the construction of marine chronometers in Britain, including the first for a compensation balance…
Portrait of Arnold by Robert Davy