File:Cyclopedia of applied electricity - a practical guide for electricians, mechanics, engineers, students, telegraph and telephone operators, and all others interested in electricity (1905) (14569188780).jpg

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Identifier: cyclopediaofappl00ameruoft (find matches)
Title: Cyclopedia of applied electricity : a practical guide for electricians, mechanics, engineers, students, telegraph and telephone operators, and all others interested in electricity
Year: 1905 (1900s)
Authors: American School (Chicago, Ill.)
Subjects: Electric engineering
Publisher: Chicago : American School of Correspondence
Contributing Library: Gerstein - University of Toronto
Digitizing Sponsor: University of Toronto

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9 2.588 10381.0 1.040 32 7.95 .202 63.2 170.765 11 90.74 2.305 8234.0 1.3U 33 7.0S .180 50.1 215.312 12 80.81 2.053 6529.9 1.653 34 6.30 .160 39.7 271.583 13 71.96 1.828 5178.4 2.084 35 5.61 .143 31.5 342.443 14 64.08 1.628 4106.8 2.628 36 5.00 .127 25.0 431.712 15 57.07 1.450 3256.7 3.314 37 4.45 .113 19.8 544.287 16 50.F2 1.291 2582.9 4.179 38 3.96 .101 15.7 686.511 17 45.26 1.150 2048.2 5.269 39 3.53 .090 12.5 865.046 18 40.30 1.024 1624.1 6.645 40 3.14 .080 9.9 1091.865 The following table gives the size of the English or Birming-ham wire gauge. The B. & S. is however much more frequentlyused in this country. The Brown and Sharpe gauge is a littlesmaller than the Birmingham for corresponding numbers. Stubs or Birmingham Wire Gauge (B. W. G.) No. Diameter in No. 1 Diameter in No. Diameter in Mils. MiUim. 1 Mils. Millim. Mils. Millim. 000000 1 46 454380300238203 11.539.657.626.045.16 810121416 165134109 8365 4.19 3.402.772.111.65 18 20243036 49 35 22 12 4 1.240.890.550.310.10 74
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3 zu z uo OS 3 e ^ >-u IH >JO z THE ELPXTRIC CUKKENT. 15 EXAHPLES FOR PRACTICE. 1. What is the resistance of an annealed silver wire 90 feetlong and .2 inch in diameter at 32° F.? Ans. .O^-j- ohm. 2. What is the resistance of 300 meters of annealed ironwire 4 millimeters in diameter when at a temperature of 0° C? Ans. 2.31-f- ohms. 3. What vs the vQsistance of 2 miles of No. 27 (B. & S.) purecopper wire at 7o° F.? Ans. 535.-f- ohms. 4. The resistance of a piece of copper wire at 32°F. is 3ohms. What is its resistance at 49°F.? Ans. 3.11-;- ohms. 5. The resistance of a copper wire at 52°P\ is 7 ohms.What is its resistance at 32°F.? Ans. 6.70+ ohms. G. What is the resistance of 49G ft. of No. 10 (B. & S.)pure copper wire at 45°F.? Ans. .483-)- ohms. On pages 16 and 17 is given a table disclosing among otherdata the resistance of various primary cells. The resistance of acircuit of which a battery forms a part, is made up of the externalresistance, or the resistance

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Author American School (Chicago, Ill.)
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  • bookid:cyclopediaofappl00ameruoft
  • bookyear:1905
  • bookdecade:1900
  • bookcentury:1900
  • bookauthor:American_School__Chicago__Ill__
  • booksubject:Electric_engineering
  • bookpublisher:Chicago___American_School_of_Correspondence
  • bookcontributor:Gerstein___University_of_Toronto
  • booksponsor:University_of_Toronto
  • bookleafnumber:88
  • bookcollection:gerstein
  • bookcollection:toronto
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27 July 2014
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current09:02, 31 December 2015Thumbnail for version as of 09:02, 31 December 20153,104 × 1,340 (348 KB)SteinsplitterBot (talk | contribs)Bot: Image rotated by 90°
17:27, 18 October 2015Thumbnail for version as of 17:27, 18 October 20151,340 × 3,112 (350 KB)Fæ (talk | contribs)== {{int:filedesc}} == {{information |description={{en|1=<br> '''Identifier''': cyclopediaofappl00ameruoft ([https://commons.wikimedia.org/w/index.php?title=Special%3ASearch&profile=default&fulltext=Search&search=insource%3A%2Fcyclopediaofappl00ameruof...

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