(Giuseppe Bellussich) in 1888. He presented his invention at the 1889 Exposition Universelle in Paris. His invention had a pointer and a magnet, using electricity to work.German inventor Otto Schultze patented his version (which, like Belusic's, ran on eddy currents) on 7 October 1902.

Operation

Mechanical

Many speedometers use a rotating flexible cable driven

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