Condenser telephone: Experiment in which insulating handles of a medical electrical machine used as a telephone. When connected to coil and placed to ears, sounds could be heard without difficulty. However, tingling sensation from electricity was felt. New York, 1890.
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Image Number: 1746-28992789Rights ManagedCredit Line:World History Archive/Image Asset Management/SuperStockCollection:Image Asset Management Contributor:World History Archive Model Release:NoProperty Release:NoResolution:4232×4955
