Zénobe Gramme’s electrifying discovery at Expo 1873 Vienna

Zénobe Gramme’s electrifying discovery at Expo 1873 Vienna

Expos are more than just events to showcase accomplishments; they are also laboratories where breakthroughs are made. At Expo 1873 in Vienna, a major discovery was made when Belgian inventor Zénobe Gramme’s dynamo was inadvertently transformed into the first ever industrial electric motor.

As with previous Expos, the majority of machines showcased in the capital of the Austro-Hungarian Empire were powered by steam. Electricity was largely seen as an oddity, even if scientists and engineers had greatly improved their understanding of electrical currents. Werner von Siemens showcased one of the first dynamo-electric machines at Expo 1867 in Paris, but the industrial use of electricity as a source of power was constrained by the small and inconsistent amount of energy it could supply.

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