5207586 Thermionic valves in the Marconi wireless telegraphy station at Cefn Du, near Caernarfon, Wales (colour litho) by Millar, Harold Robert (1869-1940); Private Collection; (add.info.: Thermionic valves in the Marconi wireless telegraphy station at Cefn Du, near Caernarfon, Wales. Illustration from Electical Wonders of the World, by Frederick A Talbot (Cassell & Company Ltd, London, New York, Toronto and Melbourne, 1921).); by Look and Learn.
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Details
Creative#:
TOP27729025
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
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electricitybritishbritainindustrysciencewelshenergyinventionWalesindustrialradiocommunicationstechnologytelecommunicationselectricalwirelesstransmittingMarconitelegraphyThermionicValvesCefnDubritishbritainindustrysciencewelshenergyinventionWalesindustrialradiocommunicationstechnologytelecommunicationselectricalwirelesstransmittingMarconitelegraphyThermionicValvesCefnDu
CefnCefnDuDuMarconiMarconiThermionicThermionicValvesValvesWalesWalesbritainbritainbritishbritishcommunicationscommunicationselectricalelectricalelectricityenergyenergyindustrialindustrialindustryindustryinventioninventionradioradiosciencesciencetechnologytechnologytelecommunicationstelecommunicationstelegraphytelegraphytransmittingtransmittingwelshwelshwirelesswireless