Wikimedia Commons

File:Railroad construction - theory and practice - a textbook for the use of students in colleges and technical schools (1908) (14572310457).jpg

Original file ‎(2,864 × 2,136 pixels, file size: 1.16 MB, MIME type: image/jpeg)

Captions

Captions

Add a one-line explanation of what this file represents

Summary

edit
Description
English:

Identifier: railroadconstruc01webb (find matches)
Title: Railroad construction : theory and practice : a textbook for the use of students in colleges and technical schools
Year: 1908 (1900s)
Authors: Webb, Walter Loring, 1863-1941
Subjects: Railroads
Publisher: New York : J. Wiley
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

View Book Page: Book Viewer
About This Book: Catalog Entry
View All Images: All Images From Book
Click here to view book online to see this illustration in context in a browseable online version of this book.

Text Appearing Before Image:
Pio. 167.—Engine Yabd and Shops, TIrbana. Ili, 350 RAILROAD CONSTRUCTION. § 300. PASSENGER TER:\riNALS. (Passenger terminals are one of the logical subdivisions ofthis chapter, but their construction does not concern one engineerin a thousand. The local conditions attending their constructionare so varied that each case is a special problem in itself—a prob-lem which demands in many respects the services of the archi-tect rather than the engineer. The student who wishes to pursuethis subject is referred to an admirable chapter iir ^ Buildings andStructures of American Railroads/ by Walter G. Berg, ChiefEngineer of the Lehigh Valley Railroad.)
Text Appearing After Image:
(To face p. 350.) (Published Ihrough courtesy of Union Switch and Signal C^ ) CHAPTER XIV. BLOCK SIGNALING.GENERAL PRINCIPLES. 301. Two fundamental systems. The growth of systems ofblock signaling has been enormous within the last few years—both in the amount of it and in the development of greater per-fection of detail. The development has been along two generallines: (a) the manual, in which every change of signal is the re-sult of some definite action on the part of some signalman, but inwhich every action is so controlled or limited or subject tothe inspection of others that a mistake is nearly, if not quite,impossible; (h) the automatic^ in which the signals are oper-ated by mechanism, which cannot set a ^\Tong signal as long as themechanism is maintained in proper order. The fundamentalprinciples of the two systems will be briefly outlined, afterwhich the chief details of the most common systems will bepointed out. 302. Manual systems. Any railroad w^hich has a telegraphline a

Note About Images

Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.
Date
Source

https://www.flickr.com/photos/internetarchivebookimages/14572310457/

Author Webb, Walter Loring, 1863-1941
Permission
(Reusing this file)		 At the time of upload, the image license was automatically confirmed using the Flickr API. For more information see Flickr API detail.
Flickr tags
InfoField
  • bookid:railroadconstruc01webb
  • bookyear:1908
  • bookdecade:1900
  • bookcentury:1900
  • bookauthor:Webb__Walter_Loring__1863_1941
  • booksubject:Railroads
  • bookpublisher:New_York___J__Wiley
  • bookcontributor:The_Library_of_Congress
  • booksponsor:The_Library_of_Congress
  • bookleafnumber:390
  • bookcollection:library_of_congress
  • bookcollection:americana
Flickr posted date
InfoField
27 July 2014
The categories of this image need checking. You can do so here.
  • Please remove redundant categories and try to put this image in the most specific category/categories.
  • You can remove this template by clicking here (or on the first line).



Licensing

edit
This image was taken from Flickr's The Commons. The uploading organization may have various reasons for determining that no known copyright restrictions exist, such as:
  1. The copyright is in the public domain because it has expired;
  2. The copyright was injected into the public domain for other reasons, such as failure to adhere to required formalities or conditions;
  3. The institution owns the copyright but is not interested in exercising control; or
  4. The institution has legal rights sufficient to authorize others to use the work without restrictions.

More information can be found at https://flickr.com/commons/usage/.

Please add additional copyright tags to this image if more specific information about copyright status can be determined. See Commons:Licensing for more information.
This image was originally posted to Flickr by Internet Archive Book Images at https://flickr.com/photos/126377022@N07/14572310457. It was reviewed on 18 October 2015 by FlickreviewR and was confirmed to be licensed under the terms of the No known copyright restrictions.

18 October 2015

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current20:05, 23 March 2019Thumbnail for version as of 20:05, 23 March 20192,864 × 2,136 (1.16 MB)SteinsplitterBot (talk | contribs)Bot: Image rotated by 90°
00:32, 18 October 2015Thumbnail for version as of 00:32, 18 October 20152,136 × 2,868 (1.16 MB)Fæ (talk | contribs)== {{int:filedesc}} == {{information |description={{en|1=<br> '''Identifier''': railroadconstruc01webb ([https://commons.wikimedia.org/w/index.php?title=Special%3ASearch&profile=default&fulltext=Search&search=insource%3A%2Frailroadconstruc01webb%2F fin...

You cannot overwrite this file.

Retrieved from "https://commons.wikimedia.org/w/index.php?title=File:Railroad_construction_-_theory_and_practice_-_a_textbook_for_the_use_of_students_in_colleges_and_technical_schools_(1908)_(14572310457).jpg&oldid=597226321"