Science on the 10th of June 1924 in history

Science

Date	Type	Text
10 Jun 1924 Electrical stethoscope	science	Electrical stethoscope In 1924, the first U.S. portable electrical stethoscope was demonstrated in Chicago, Ill. to amplify the sounds of the human body. It was designed by the Western Electric Co. with Bell System engineers and physiologist Dr. Horatio B. Williams. It was subsequently maketed in Oct 1925.	0

9th June 1924 11th June 1924

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Science on the 10th of June 1924 in history

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