File:The railroad and engineering journal (1887) (14572003959).jpg

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Description
English:

Identifier: railroadengineer63newy (find matches)
Title: The railroad and engineering journal
Year: 1887 (1880s)
Authors:
Subjects: Railroad engineering Engineering Railroads
Publisher: New York : M.N. Forney
Contributing Library: Carnegie Library of Pittsburgh
Digitizing Sponsor: Lyrasis Members and Sloan Foundation

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Text Appearing Before Image:
drilling with as greatspeed as though drilled direct. Both of these machines were invented by Mr. P. Leeds,Master Mechanic, Louisville it Nashville Railroad, and aremanufactured by Pedrick & Ayer, Philadelphia. Electric Notes. The Elecliical Etiginter gives the following summary of thetotal number and mileage of street railroads operated by elec-tric motors in this country ; In operation. Building. Number of roads 58 33 Total mile.ige worked 308 i-zo Number of motor cars 424 -87 This list includes several roads on which electricity has beenonly partially adopted, and on which horses are still in use forsome of the cars. In the equipment of the electric railroad at Atlantic City,N. J., the trolley wire will be of the small size, no larger thanan ordinary telephone or telegraph wire, which is used on allthe Sprague roads, and which is characteristic of that system.The material of the trolley wire will be of silicon bronze, and LEEDS LINK MILLER ANDSLOTTER. (Patent aj<plied /or.)
Text Appearing After Image:
parts of a circle whose versed sine is equal to the perpendicularwhere the base is formed by the chord of the arc. It can beused on a good strong drill press, and will do excellent work.It can also be used as an attachment to a universal milling ma-chine. It consists of a jointed frame having dove-tailed slotsrunning lengthways to carry a frame that has the link blank se-cured in it, this frame is actuated by the screw and hand-wheeland describes a circle, according to the angular position of thelower or jointed frame ; flanges are cast on the bottom of thisframe for the purpose of bolting down on the table or platen.In the center of the lower frame, at the center of the joint, is abronze bushing that is set exactly under the center of the drill-press spindle ; this serves as a lower support for a boring barand the shank of the milling-tool arbor. In practice it is foundmore convenient to drill a hole in one end of the link to beslotted. large enough for a boring bar to pass through,

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Flickr tags
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  • bookid:railroadengineer63newy
  • bookyear:1887
  • bookdecade:1880
  • bookcentury:1800
  • booksubject:Railroad_engineering
  • booksubject:Engineering
  • booksubject:Railroads
  • bookpublisher:New_York___M_N__Forney
  • bookcontributor:Carnegie_Library_of_Pittsburgh
  • booksponsor:Lyrasis_Members_and_Sloan_Foundation
  • bookleafnumber:163
  • bookcollection:carnegie_lib_pittsburgh
  • bookcollection:americana
Flickr posted date
InfoField
27 July 2014

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