Grace's Guide

British Industrial History

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Joshua Hendy

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Joshua Hendy (1822-1891), American engineer.

Born in Cornwall, England, in 1822.

Emigrated to the USA, age 13, with two brothers, and trained as a blacksmith.

In 1849 he joined the California gold rush.

He built California's first redwood mill, the Benicia Sawmill.

Established the Joshua Hendy Iron Works in 1856, producing mining and construction equipment. Hendy introduced innovations such as the hydraulic giant monitor, a tangential water wheel, the Hendy ore concentrator, the Challenge ore feeder, and the Hendy hydraulic gravel elevator.

Hendy giant hydraulic crushers were used to excavate the Panama Canal. After Joshua Hendy died in 1891, management of the company was taken over by his nephews Samuel and John. In 1906 a fire devastated the original San Francisco factory, and the company was re-established in Sunnyvale, California.

The above information is condensed from Wikipedia - Joshua Hendy Iron Works.

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