1840: Difference between revisions

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* [[Edouard Heuer]], the founder of the watch [[manufacture]] [[Heuer]], is born in Brügg, Canton of Bern, as Son of a shoemaker.
* [[Edouard Heuer]], the founder of the watch [[manufacture]] [[Heuer]], is born in Brügg, Canton of Bern, as Son of a shoemaker.
* [[Charles Weatstone]], born in Gloucester, imagines the transmission of time using electro-chronometric counters.
* English engineer Bain builds a clock using electro-magnetic power.
* At the same time, English watchmakers [[Robert Molyneux]] and [[E.-J. Eiffe]] invent a balance wheel with auxiliary compensation for extreme temperatures, an idea also proposed by [[John Poole]] and Sir [[George Airy]].
* Sir [[George Airy]], director of the Greenwich Observatory, publishes an account of his experiments concerning the influence of terrestrial magnetism on the operation of chronometers.
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[[Category:Year]]
[[Category:Year]]

Revision as of 16:47, 29 December 2023

1839    <<    1840    >>    1841

 

  • Edouard Heuer, the founder of the watch manufacture Heuer, is born in Brügg, Canton of Bern, as Son of a shoemaker.
  • Charles Weatstone, born in Gloucester, imagines the transmission of time using electro-chronometric counters.
  • English engineer Bain builds a clock using electro-magnetic power.
  • At the same time, English watchmakers Robert Molyneux and E.-J. Eiffe invent a balance wheel with auxiliary compensation for extreme temperatures, an idea also proposed by John Poole and Sir George Airy.
  • Sir George Airy, director of the Greenwich Observatory, publishes an account of his experiments concerning the influence of terrestrial magnetism on the operation of chronometers.