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On his return to France, his intention was to build steam engines but he was prevented from doing so by lack of funds. Instead, he opened a Paris workshop in 1844 where, among other things, he worked on a telegraph with written and keyboard signals, improved Gaetan
Bonelli's electric loom, and
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in 1857. In his design electromagnets were energized to attract iron rods attached to a rotating flywheel. At the moment that an iron rod reached the electromagnet, the power to the solenoid was interrupted until the next iron rod approached the electromagnet.
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He is best known for designing early electric motors for industrial use, for which he was awarded the valuable
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66:. Having demonstrated from childhood talent for technology, his father decided to let him study at the
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In 1854 he built a simpler and improved version of
Charles Shepherd's electromechanical clock.
46:(born 3 March 1815 in Paris; died 1865) was a French mechanic, instrument maker and inventor.
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He was also one of the earliest photographers, working with the Direct
Positive Process.
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Historical First
Patents: The First United States Patent for Many Everyday Things
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for
Foucault's 1851 demonstration. Other projects with Foucault included the
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in Paris. He later moved to
Britain to continue his studies in Manchester.
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Article based on equivalent articles on French, Dutch and German
Knowledge
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A History of
Technology: The industrial revolution, c. 1750 to c. 1850
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Froment's Mouse mill motor, 1849, Hunterian Museum, Glasgow
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helped
William Hughes improve his early typewriter.
214:"Die Entwicklungsgeschichte der elektrischen Uhren"
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
