3479297 Condenser telephone, 1890; (add.info.: 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.); Universal History Archive/UIG; out of copyright.
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1890s1919th19th19thAmericaAmericaNewNorthUSAXIXXIXthYorkamericaamericaamericancenturycenturycenturycenturycenturycenturycommunicationcommunicationcommunicationcommunicationscondensercondensercondensercondensercurrentcurrentcurrentelectricelectricelectricelectricalelectricalelectricalelectriciteelectricityelectricityelectricityhealthmedicalmedicalmedicalmedicinenewnewofofstatesstatesstatesstatesstatestelephonetelephonetelephonetelephonetelephoneu.s.aunitedunitedunitedunitedunitesusausayorkyork