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American inventions and inventors (1900)

Mowry, William Augustus, 1829-1917, Mowry, Arthur May, 1862- joint author · New York, Boston [etc.] Silver, Burdett and company · leaf 269

An illustration from American inventions and inventors, 1900, leaf 269
onduty. If the intelligencewas to be conveyed to a considerable distance intermediatestations must be had. The second station received the signalfrom the first and transmitted it to the third, and so on.This proved to be a very difficult operation and was neverextensively used, A third and… … SIGNALING BY BEACON FIRES. LETTERS—SIGNALING. 26/ army but on naval vessels. When the stations were lessthan five miles apart signaling was considered to be at veryshort range. Messages have been sent ten miles by meansof a pocket handkerchief attached to a twelve-foot rod.With the regular flags…

Inventions

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