3479250 Alexander Graham Bell\'s photo phone, 1891; (add.info.: Bell\'s speaking photo phone vibration of the diaphragm at L caused pulses of light to be transmitted to the receiver s, which had a light-sensitive selenium cell, and which created a current, so operating the earpiece. 1891.); Universal History Archive/UIG; out of copyright.
| px | px | dpi | = | cm | x | cm | = | MB |
Details
Creative#:
TOP27536259
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
No
Property Release:
No
Right to Privacy:
No
Same folder images:
19thcentury19centuryXIXcenturyXIXthcenturybellcommunicationcommunicationslightinglightlightedelectricityelectricelectriciteelectricalvibrationsreceivertransmitterseleniumcell1890sreceiverelectriclightdiaphragmelectricalbell19thcenturyelectricityphotophonevibrationstransmitterseleniumcellcommunicationreceiverelectriclightdiaphragmelectricalbell19thcenturyelectricityphotophonevibrationstransmitterseleniumcellcommunication
1890s1919th19th19thXIXXIXthbellbellbellcellcellcellcenturycenturycenturycenturycenturycenturycommunicationcommunicationcommunicationcommunicationsdiaphragmdiaphragmelectricelectricelectricelectricalelectricalelectricalelectriciteelectricityelectricityelectricitylightlightlightlightedlightingphonephonephotophotoreceiverreceiverreceiverseleniumseleniumseleniumtransmittertransmittertransmittervibrationsvibrationsvibrations
Loading