Josiah Latimer Clark

Josiah Latimer Clark ( born March 10, 1822 in Great Marlow, † October 30, 1898 in London ) was an English engineer. The focus of his work was on the bridge and telegraph service.

Clark started as an assistant to his brother Edwin (1814-1894) the construction of the Menai Straits Bridge. He examined the signal delay in submarine cables, he belonged in 1854 to the inventors of the pneumatic tube and invented in 1874, the eponymous Clark standard cell, a historical form of a reference voltage source. Clark sought to unify electrical units. He introduced the units volts, ohms, watts and farads.

Writings

  • An Elementary Treatise on Electrical Measurements. 1868
  • Together with H. Sadler: The Star Guide. 1886
  • A Dictionary of Metric and Other Useful Measures. 1891
Marlow (Buckinghamshire) Clark cell Integrated Authority File
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