File:Niagara Cantilever Bridge (1901).jpg
Original file (2,067 × 1,613 pixels, file size: 1.83 MB, MIME type: image/jpeg)
Captions
Summary
[edit]DescriptionNiagara Cantilever Bridge (1901).jpg |
English: Niagara Cantilever Bridge viewed from the south. Behind it is the Whirlpool Rapids Bridge. Identifier: railwaylocomotiv19newy Title: Railway and locomotive engineering : a practical journal of railway motive power and rolling stock Year: 1901 (1900s) Authors: Subjects: Railroads Locomotives Publisher: New York : A. Sinclair Co Contributing Library: Carnegie Library of Pittsburgh Digitizing Sponsor: Lyrasis Members and Sloan Foundation
Click here to view book online to see this illustration in context in a browseable online version of this book.
Text Appearing After Image: RAILROAD BRIDGES OVER THE NIAGARA GORGE. THE CAXTILEVER AND THE STEEL ARCH The oldest method of carrying a wallabove an opening for a door was theuse of a flat stone supported at its ends.The weight resting on this flat stone orlintel had a tendency to break it downin the center, as its upper surface wasnecessarily in compression and its un-der side was in tension, which are forms process of repair used the brokenpieces again, but set them at anangle to each other so that the brokenedges came together, and in this waysecured a door opening with a triangu-lar top, and of greater strength than thesolid flat stone had been before. Thesubsequent use of three or more wedge- in ancient buildings, formed by the step-ping out of the end stones of severalcourses of masonry, and the bevelingof? of their lower corners. This formof building had in it nothing of theprinciple of the arch, and these archedapertures were not used extensivelyenough to warrant the belief thatthey 538 RAILWAY AND LOCOMO
|
Date | |
Source | Image from page 548 of "Railway and locomotive engineering : a practical journal of railway motive power and rolling stock" (1901) |
Author | Internet Archive Book Images |
Permission (Reusing this file) |
Internet Archive Book Images @ Flickr Commons |
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: No known copyright restrictionsNo restrictionshttps://www.flickr.com/commons/usage/false
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@N07/14756884734. It was reviewed on 5 March 2017 by FlickreviewR and was confirmed to be licensed under the terms of the No known copyright restrictions. |
5 March 2017
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 19:42, 5 March 2017 | 2,067 × 1,613 (1.83 MB) | Magnolia677 (talk | contribs) | Cropped; corrected contrast; removed watermark. | |
19:41, 5 March 2017 | 2,108 × 1,642 (416 KB) | Magnolia677 (talk | contribs) | {{Information |Description=|Description={{en|1=Niagara Cantilever Bridge viewed from the south. Behind it is the Whirlpool Rapids Bridge.<br> '''Identifier''': railwaylocomotiv19newy '''Title''': [https://www.flickr.com/photos/internetarchivebookimage... |
You cannot overwrite this file.
File usage on Commons
There are no pages that use this file.
File usage on other wikis
The following other wikis use this file:
- Usage on de.wikipedia.org
- Usage on en.wikipedia.org