File:Electrical instruments and telephones of the U.S. Signal corps (1911) (14756226732).jpg

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Description
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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

View Book Page: Book Viewer
About This Book: Catalog Entry
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Text Appearing Before Image:
Fig. srt.—Wall tolepliono. Sumter type. passes from L to the hook switch // through the fine-wire windingof the induction coil, through the receiver li to the line L. In figures 82 and S:^) is shown the complete instrument to which thewiring diagram above refers.60240°—11 9 130 ELECTRICAL INSTRUMENTS U. S. SIGNAL CORPS. LINE L lO OL2
Text Appearing After Image:
Fig. S4.—Circuit, local b<ittory wall tolophnne. Doan type. ELECTRICAL INSTRUMENTS U. S. SIGNAL CORPS. 131 The wiring of the Dean local battery wall telephone, which is fur-nished by the Signal Corps, is shown in figure 84. In this figure, Ashows a simplified circuit, and B the wiring as actually found inthe instrument with the parts correctly located with respect to eachother. -O Lines O Upper lOOOco Lower Bells 0H0I viy vi/ lotM^ rrti o o i Secondy -^2VWWV;2 V^PS

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https://www.flickr.com/photos/internetarchivebookimages/14756226732/

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Flickr tags
InfoField
  • 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:133
  • bookcollection:cdl
  • bookcollection:americana
Flickr posted date
InfoField
27 July 2014

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