File:Electrical instruments and telephones of the U.S. Signal corps (1911) (14733596306).jpg

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English:

Identifier: electricalinstru00unitrich (find matches)
Title: Electrical instruments and telephones of the U.S. Signal corps
Year: 1911 (1910s)
Authors: United States. Army. Signal Corps
Subjects: Military telegraph -- United States Military telephone -- United States
Publisher: Washington, Govt. print. off.
Contributing Library: University of California Libraries
Digitizing Sponsor: MSN

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Text Appearing Before Image:
—In the field, especially when the wind is blowing in theears and various other noises tend to confuse, it is very hard to dis-tinguish in the telephone words wdiich sound alike. This is especiallyconfusing to an enlisted man unused to expressions common in mili-tary messages. The sharp signals on the buzzer or sounder are muchmore reliable. 60240°—11 19 290 ELECTRICAL INSTRUMENTS U. S. SIGNAL CORPS. Speed.—It is found in the case of written messages transmitted bybuzzer and telephone, that. oAving to frequent repetitions required bytelephone, the buzzer will fjenerally exceed it in speed. From the foregoing considerations, it is evident that officers should,when time permits, always write out their messages in proper form.The use of the telephone should be restricted to communication be-tween officers. The direction to an operator verbally to send mes-sages by telegraj)!) is very inadvisable. Sending messages by dicta-tion lliroiigh the telephone invites almost certain errors.
Text Appearing After Image:
In;. Ij.i.—SlaiulMid nrfickS of Hold equipment. id) Insi)ec(()rs pocket kit. (h) InsnlMtin.y; tiipe. ((•) Field mesaplione. id) Spool Inizzcr wire. (r) Telei)liono ground rod. (f) Buzzer connector, type A. (y) Pliers. (/)) Pay-out handle. (i) Buzzer connector, type B. (7,-) Hand reel. (Z) Breast reel. >risrETx.\xKOUS field eqiip:mext. Breast reels.—Breast reels, fig. 100 (7), are used for taking up con-siderable lengths of buzzer wire. These reels have a gear of 1\ to 1.Thev are made of brass Avith black finish and weigh about one-halfpound. These Ieels are not used foi- i)aying out l)uzzer wire. ELECTRICAL INSTRUMENTS U. S. SIGNAL CORPS. 291 Hand reels.—Hand reels, fig. 199 (/i), are used in talking up sliortlengths of buzzer wire. They are made of brass with oak handles.The hand reel is also used in paying out buzzer wire. -Signal Corps pay-out handle. Payout handles.—A payout handle (fig. 200) consists of a brassrod 4 inches in lenglh with a wooden handle on one end. T

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  • bookid:electricalinstru00unitrich
  • bookyear:1911
  • bookdecade:1910
  • bookcentury:1900
  • bookauthor:United_States__Army__Signal_Corps
  • booksubject:Military_telegraph____United_States
  • booksubject:Military_telephone____United_States
  • bookpublisher:Washington__Govt__print__off_
  • bookcontributor:University_of_California_Libraries
  • booksponsor:MSN
  • bookleafnumber:293
  • bookcollection:cdl
  • bookcollection:americana
Flickr posted date
InfoField
27 July 2014

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