585:
36:
217:
269:
were listed on a table. Each letter corresponded to a row and a column on the table. By using two groups of torches (five torches in every group), the left indicating the row and the right the column of the table, they could send a message by defining a specific letter through combination of light
556:
Polybius. The
Histories, Volume IV: Book 10 P. 46. Translated by W. R. Paton. Revised by F. W. Walbank, Christian Habicht. Loeb Classical Library 159. Cambridge, MA: Harvard University Press, 2011. "These torches having been lowered the dispatcher of the message will now raise the first set of
557:
torches on the left side indicating which tablet is to be consulted, i.e., one torch if it is the first, two if it is the second, and so on. Next he will raise the second set on the right on the same principle to indicate what letter of the tablet the receiver should write down"
159:) would be visible to the next tower (usually 20 miles away). The towers were used for the transmission of a specific prearranged message. One tower would light its flame, the next tower would see the fire, and light its own.
626:
650:
570:
655:
534:
665:
545:
523:
So now I am still watching for the signal-flame, the gleaming fire that is to bring news from Troy and tidings of its capture
478:
100:
72:
660:
645:
119:
619:
79:
57:
685:
86:
612:
53:
17:
670:
68:
463:
46:
468:
168:
504:καὶ νῦν φυλάσσω λαμπάδος τό σύμβολον, αὐγὴν πυρὸς φέρουσαν ἐκ Τροίας φάτιν ἁλώσιμόν τε βάξιν
196:
were informed by night-time beacon signals of the approach of sixty
Athenian vessels from
8:
93:
680:
185:
600:
675:
473:
221:
596:
592:
454:), they fired five torches on the right set and three torches on the left set.
266:
258:
244:
236:
205:
148:
136:
208:, the Salaminians informed they Athenians and asked for help by beacon-fires.
639:
584:
391:
189:
232:
181:
163:
144:
35:
521:. Cambridge, MA: Loeb Classical Library, Harvard University Press.
451:
197:
193:
177:
228:
201:
155:
were towers built on selected mountaintops so that one tower (
265:). Πυρσεία from πυρσός which means torch. The letters of the
173:
436:
431:
426:
421:
411:
406:
401:
396:
381:
376:
371:
366:
361:
351:
346:
341:
336:
331:
321:
316:
311:
306:
301:
216:
60:. Unsourced material may be challenged and removed.
637:
172:, a slave watchman character learns the news of
620:
27:Means of communication used in Ancient Greece
516:
627:
613:
211:
120:Learn how and when to remove this message
215:
14:
638:
497:
180:by carefully watching a fire beacon.
579:
446:When they wanted to send the letter
58:adding citations to reliable sources
29:
535:Thucydides, Peloponnesian War, 3.80
220:Diagram of a fire signal using the
24:
651:Ancient Greek military terminology
273:The coding system was as follows:
25:
697:
564:
656:Ancient Greek military equipment
583:
546:Diodorus Siculus, Library, 12.49
479:Greek hydraulic semaphore system
34:
45:needs additional citations for
550:
539:
528:
519:Aeschylus. Oresteia: Agamemnon
510:
491:
13:
1:
666:History of telecommunications
517:Sommerstein, Alan H. (2009).
484:
599:. You can help Knowledge by
7:
595: related article is a
457:
227:Ιn the 2nd century BC, the
10:
702:
578:
571:The Medean Wars - Part II
262:
248:
240:
140:
661:Communications in Greece
646:Ancient Greek technology
502:(in Greek). p. 2.
464:Byzantine beacon system
212:Phryctoriae and Pyrseia
224:
184:wrote that during the
469:Optical communication
219:
686:Ancient Greece stubs
54:improve this article
500:Oresteia, Agamemnon
243:) and Democletus (
225:
671:Signalling lights
608:
607:
444:
443:
186:Peloponnesian War
130:
129:
122:
104:
16:(Redirected from
693:
629:
622:
615:
587:
580:
558:
554:
548:
543:
537:
532:
526:
525:
514:
508:
506:
495:
276:
275:
264:
250:
242:
142:
125:
118:
114:
111:
105:
103:
62:
38:
30:
21:
701:
700:
696:
695:
694:
692:
691:
690:
636:
635:
634:
633:
576:
567:
562:
561:
555:
551:
544:
540:
533:
529:
515:
511:
496:
492:
487:
474:Polybius square
460:
251:) invented the
231:engineers from
222:Polybius cipher
214:
147:system used in
126:
115:
109:
106:
63:
61:
51:
39:
28:
23:
22:
15:
12:
11:
5:
699:
689:
688:
683:
678:
673:
668:
663:
658:
653:
648:
632:
631:
624:
617:
609:
606:
605:
593:Ancient Greece
588:
574:
573:
566:
565:External links
563:
560:
559:
549:
538:
527:
509:
489:
488:
486:
483:
482:
481:
476:
471:
466:
459:
456:
442:
441:
439:
434:
429:
424:
419:
415:
414:
409:
404:
399:
394:
389:
385:
384:
379:
374:
369:
364:
359:
355:
354:
349:
344:
339:
334:
329:
325:
324:
319:
314:
309:
304:
299:
295:
294:
291:
288:
285:
282:
279:
267:Greek alphabet
213:
210:
206:Salamis Island
190:Peloponnesians
149:Ancient Greece
128:
127:
42:
40:
33:
26:
9:
6:
4:
3:
2:
698:
687:
684:
682:
679:
677:
674:
672:
669:
667:
664:
662:
659:
657:
654:
652:
649:
647:
644:
643:
641:
630:
625:
623:
618:
616:
611:
610:
604:
602:
598:
594:
589:
586:
582:
581:
577:
572:
569:
568:
553:
547:
542:
536:
531:
524:
520:
513:
505:
501:
494:
490:
480:
477:
475:
472:
470:
467:
465:
462:
461:
455:
453:
449:
440:
438:
435:
433:
430:
428:
425:
423:
420:
417:
416:
413:
410:
408:
405:
403:
400:
398:
395:
393:
390:
387:
386:
383:
380:
378:
375:
373:
370:
368:
365:
363:
360:
357:
356:
353:
350:
348:
345:
343:
340:
338:
335:
333:
330:
327:
326:
323:
320:
318:
315:
313:
310:
308:
305:
303:
300:
297:
296:
292:
289:
286:
283:
280:
278:
277:
274:
271:
268:
260:
256:
255:
246:
238:
235:, Cleoxenes (
234:
230:
223:
218:
209:
207:
203:
199:
195:
191:
187:
183:
179:
176:'s fall from
175:
171:
170:
165:
160:
158:
154:
150:
146:
138:
134:
124:
121:
113:
102:
99:
95:
92:
88:
85:
81:
78:
74:
71: –
70:
66:
65:Find sources:
59:
55:
49:
48:
43:This article
41:
37:
32:
31:
19:
601:expanding it
590:
575:
552:
541:
530:
522:
518:
512:
503:
499:
493:
447:
445:
272:
253:
252:
226:
192:who were in
167:
161:
156:
152:
132:
131:
116:
110:January 2021
107:
97:
90:
83:
76:
69:"Phryctoria"
64:
52:Please help
47:verification
44:
498:Aeschylus.
249:Δημόκλειτος
153:phryctoriae
18:Phryctoriae
640:Categories
485:References
270:torches.
233:Alexandria
182:Thucydides
157:phryctoria
133:Phryctoria
80:newspapers
681:Semaphore
507:500-400BC
241:Κλεόξενος
204:attacked
169:Agamemnon
164:Aeschylus
145:semaphore
141:φρυκτωρία
458:See also
166:tragedy
143:) was a
676:Beacons
452:omicron
263:πυρσεία
254:pyrseia
200:. When
198:Lefkada
194:Corcyra
178:Mycenae
94:scholar
202:Cnemus
188:, the
151:. The
96:
89:
82:
75:
67:
591:This
259:Greek
245:Greek
237:Greek
229:Greek
137:Greek
101:JSTOR
87:books
597:stub
174:Troy
73:news
162:In
56:by
642::
418:5
388:4
358:3
328:2
298:1
293:5
261::
247::
239::
139::
628:e
621:t
614:v
603:.
450:(
448:O
437:Ω
432:Ψ
427:Χ
422:Φ
412:Υ
407:Τ
402:Σ
397:Ρ
392:Π
382:Ο
377:Ξ
372:Ν
367:Μ
362:Λ
352:Κ
347:Ι
342:Θ
337:Η
332:Ζ
322:Ε
317:Δ
312:Γ
307:Β
302:Α
290:4
287:3
284:2
281:1
257:(
135:(
123:)
117:(
112:)
108:(
98:·
91:·
84:·
77:·
50:.
20:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
