bn:02057426n
Noun Concept
Categories: Native American history, Native American culture, Optical communications, Western (genre) staples and terminology, Ancient China
EN
smoke signal  Fire signal  fire signals  smoke signals
EN
The smoke signal is one of the oldest forms of long-distance communication. Wikipedia
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EN
The smoke signal is one of the oldest forms of long-distance communication. Wikipedia
An ancient form of communication Wikipedia Disambiguation
Smoke used as a mode of communication Wikidata
A method of long-distance communication sometimes used in ancient and undeveloped societies, consisting of messages conveyed by means of columns or intermittent puffs of smoke. Wiktionary
Ancient method of communication. Wiktionary (translation)
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