3479248 Alexander Graham Bell\'s photo phone, 1891; (add.info.: Receiver of Bell\'s photo phone: vibrations of the diaphragm of the transmitter caused light pulses to fall on a light sensitive selenium cell. Dated 1891.); Universal History Archive/UIG; out of copyright.
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Details
Creative#:
TOP27536257
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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No
Same folder images:
19thcentury19centuryXIXcenturyXIXthcenturybellcommunicationcommunicationslightinglightlightedelectricityelectricelectriciteelectricalvibrationsreceivertransmitterseleniumcell1890sreceiverelectriclightdiaphragmelectricalbell19thcenturyelectricityphotophonevibrationstransmitterseleniumcellcommunicationreceiverelectriclightdiaphragmelectricalbell19thcenturyelectricityphotophonevibrationstransmitterseleniumcellcommunication
1890s1919th19th19thXIXXIXthbellbellbellcellcellcellcenturycenturycenturycenturycenturycenturycommunicationcommunicationcommunicationcommunicationsdiaphragmdiaphragmelectricelectricelectricelectricalelectricalelectricalelectriciteelectricityelectricityelectricitylightlightlightlightedlightingphonephonephotophotoreceiverreceiverreceiverseleniumseleniumseleniumtransmittertransmittertransmittervibrationsvibrationsvibrations
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