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Gottlieb Kruger, a professor of medicine at Halle in 1743, suggested that electricity might be of use in some branches of medicine; and the year following Christian Gottlieb Kratzenstein made a first experiment to determine the effects of electricity upon the body.
It is shown here, and was also at the Centennial, and it was the carrying of one overland to Russia, where it fell into the hands of Kratzenstein, the organ-builder to Queen Catharine II., which initiated the free reed in Europe, and led to the accordions, concertinas, harmoniums and parlor organs which perhaps afford the cheapest and loudest music for a given expenditure of muscle and wind of anything we have.
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