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GRIFFIN AND GEORGE RUHMKORFF INDUCTION COIL, 1950's

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GRIFFIN AND GEORGE RUHMKORFF INDUCTION COIL, 1950's

In 1857, after examining a greatly improved version made by an American inventor, Edward Samuel Ritchie, Ruhmkorff improved his design (as did other engineers), using glass insulation and other innovations to allow the production of sparks more than 30 centimetres long.
Ruhmkorff patented the first version of his induction coil in 1851, and its success was such that in 1858 he was awarded a 50,000-franc prize by Napoleon III for the most important discovery in the application of electricity.
He died in Paris in 1877.

Bruce Hammond Collection

Your comments:

  • still well protected like its today's technology. I will like to see exactly what its made of......
    .......... agberia anthony, warri nigeria, 6th of November 2012

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