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File:Cyclopedia of applied electricity - a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric (14593397577).jpg

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Description
English:

Identifier: cyclopediaofappl05amer (find matches)
Title: Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc.
Year: 1916 (1910s)
Authors: American Technical Society
Subjects: Electric engineering
Publisher: Chicago : American Technical Society
Contributing Library: Northeastern University, Snell Library
Digitizing Sponsor: Northeastern University, Snell Library

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Text Appearing Before Image:
in feetin which the car may be stopped, which in this instance is 440 feet. In thesame way, the stopping distances may be determined for cars running at anyspeed. MISCELLANEOUS CAR EQUIPMENTTrolley. Current is taken from the trolley wire through a brasswheel carried in a trolley harp mounted on the end of a light tubularsteel pole. The pole is attached at its lower end to the trolley base,which is a spring hinge, pivoted on a base plate. Base. Typical trolley bases are shown in Figs 101, 102, and 103.While these differ in detail they all operate upon the principle ofproducing a uniform pressure of the wheel on the wire regardless ofthe position of the pole. Some means of adjusting the tension isprovided. In Fig. 101 are the following essential parts: The stand, 203 108 ELECTRIC RAILWAYS or foot, which is screwed to a small platform on the roof of the earand which is provided with a terminal binding clamp through whichthe current is carried to the pole and wheel; an arm, or swivel, one
Text Appearing After Image:
Fig. 101. Type of Trolley Base end of which is drilled to fit over a swivel pin which forms part ofthe stand; a pole socket which is hinged at the lower end to the swivelarm on the pole socket axle pin—the pole socket also carries apair of cams to which flexible bands for transmitting the tensionfrom the springs are attached; a set of springs attached at one end

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Flickr tags
InfoField
  • bookid:cyclopediaofappl05amer
  • bookyear:1916
  • bookdecade:1910
  • bookcentury:1900
  • bookauthor:American_Technical_Society
  • booksubject:Electric_engineering
  • bookpublisher:Chicago___American_Technical_Society
  • bookcontributor:Northeastern_University__Snell_Library
  • booksponsor:Northeastern_University__Snell_Library
  • bookleafnumber:237
  • bookcollection:northeastern
  • bookcollection:blc
  • bookcollection:americana
Flickr posted date
InfoField
29 July 2014

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