3479294 Diagram of Bell\'s second telephone, 1879; (add.info.: Diagram of Bell\'s second telephone: Acoustic waves through N (diaphragm) and A (lever) make the armature of the electromagnet connected to lever vibrate. New York, dated 1879.); Universal History Archive/UIG; out of copyright.
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Creative#:
TOP27536296
Source:
達志影像
Authorization Type:
RM
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須由TPG 完整授權
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No
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No
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19thcentury19centuryXIXcenturyXIXthcenturycommunicationcommunicationselectricityelectricelectriciteUSAunitedstatesu.s.aunitedstatesofamericaunitesstatesofamericaamericanNorthAmericaAmericadiagramelectricaltelephonesoundwaveselectromagnetvibrationelectricsoundwavesacousticdiagramelectrical19thcenturyelectricityalexandergrahambelltelephoneunitedstates1870selectromagnetcommunicationvibrationsoundwavesacousticdiagramelectrical19thcenturyelectricityalexandergrahambelltelephoneunitedstates1870selectromagnetcommunicationvibration
1870s1870s1919th19th19thAmericaAmericaNorthUSAXIXXIXthacousticacousticalexanderalexanderamericaamericaamericanbellbellcenturycenturycenturycenturycenturycenturycommunicationcommunicationcommunicationcommunicationsdiagramdiagramdiagramelectricelectricelectricalelectricalelectricalelectriciteelectricityelectricityelectricityelectromagnetelectromagnetelectromagnetgrahamgrahamofofsoundsoundsoundstatesstatesstatesstatesstatestelephonetelephonetelephoneu.s.aunitedunitedunitedunitedunitesvibrationvibrationvibrationwaveswaveswaves
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