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Automatische Übersetzung:
Experiment to measure the velocity of sound in water. These measurements were made in 1841 on Lake Geneva by Jean Daniel Colladon (1802-1893) and Charles Sturm (1803-1855). Timing receipt of sound of a bell rung under water . Engraving from ''Les Nouvelles Conquetes de la Science'' by Louis Figuier, Paris, c1880.