Technology / Telegraphy:- Polybius' torch telegraph; 2nd cent. BC.(The Greek alphabet was written on 5 plates with 5 rows each; when signalling the number of torches on the left indicated the number of the plate; the torches on the right the row).Copper engr.; 1785; by M黮ler after d'Ivernois.
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Details
Creative#:
TOP17142932
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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1STMILLENNIUMB.C.2NDCENTURYB.C.ANCIENTWORLDANTIQUITYB&WCOMMUNICATIONCOMMUNICATIONENGINEERINGCOMMUNICATIONSTRANSMISSIONCOPPERENGRAVINGDIOPTRICSGERMANARTGRAPHICARTGRAPHICARTSGREECEHISTORYIVERNOISNEWSMESSAGEOPTICALTELEGRAPHOPTICSOUTDOORSOUTSIDEPOLYBIUSPORTRAITFORMATPRINTEDGRAPHICSSIGNLANGUAGESIGNAL(SIGN)SMOKESIGNSMOKESIGNALTECHNIQUETELECOMMUNICATIONSTELEGRAPHTELEGRAPHYTELEGRAPHCOMMUNICATIONSTELESCOPICSIGHTTORCH(FLAME)TORCHTELEGRAPHTORCHTELEGRAPHYWIRELESS(TECHNOLOGY)WIRELESSTELEGRAPHY
(FLAME)(SIGN)(TECHNOLOGY)1ST2NDANCIENTANTIQUITYARTARTARTSB&WB.C.B.C.CENTURYCOMMUNICATIONCOMMUNICATIONCOMMUNICATIONSCOMMUNICATIONSCOPPERDIOPTRICSENGINEERINGENGRAVINGFORMATGERMANGRAPHICGRAPHICGRAPHICSGREECEHISTORYIVERNOISLANGUAGEMESSAGEMILLENNIUMNEWSOPTICALOPTICSOUTDOORSOUTSIDEPOLYBIUSPORTRAITPRINTEDSIGHTSIGNSIGNSIGNALSIGNALSMOKESMOKETECHNIQUETELECOMMUNICATIONSTELEGRAPHTELEGRAPHTELEGRAPHTELEGRAPHTELEGRAPHYTELEGRAPHYTELEGRAPHYTELESCOPICTORCHTORCHTORCHTRANSMISSIONWIRELESSWIRELESSWORLD