File:Electrical equipments for movable bridges (1916) (14765505294).jpg

From Wikimedia Commons, the free media repository
Jump to navigation Jump to search

Original file ‎(2,445 × 1,903 pixels, file size: 288 KB, MIME type: image/jpeg)

Captions

Captions

Add a one-line explanation of what this file represents

Summary

[edit]
Description
English:

Identifier: electricalequipm00gast (find matches)
Title: Electrical equipments for movable bridges
Year: 1916 (1910s)
Authors: Gaston, Ralph Mayo
Subjects: Movable bridges Theses
Publisher:
Contributing Library: University of Illinois Urbana-Champaign
Digitizing Sponsor: University of Illinois Urbana-Champaign

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:
GASOLINE ENGINE AM) GENERATOR. One of the units used by the Northern Pacific Ry.at Duluth. The engines are started by the storage batteryusing the generator as a motor. A motor-driven air pump is shown in the lower righthand corner. Compressed air is used for brakes, whistle,andfor raising gasoline and water. -41- -42- INTERLOC.KING RELEASE SWITCHES IN GLASS CASE. In case of irregularities in operation it is some-times necessary to operate without regard to the interlocking.This should be done only in extreme emergency in which casethe operator must break the glass to reach the switches. This view shows the name plates used to mark all devices.
Text Appearing After Image:
PENNSYLVANIA BRIDGE OVER CHICAGO RIVER AT EIGHTEENTH ST. CHICAGO AI30 used by the Chicago & Alton Ry.The span is raised by two 325 horse power motors; the largestin use on a drawbridge. Power is supplied by Commonwealth Edison Co. tocharge a storage battery which in turn supplies the bridge.Operating current ranges from 750 to 3000 amperes at 250 volts. -43- -44- TROLLEY j?OR VERTICAL LIFT BRIDGE.This form of trolley transfers current from thestationary towers to the lifting span. An example of special design required in bridge work.

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/14765505294/

Author Internet Archive Book Images
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:electricalequipm00gast
  • bookyear:1916
  • bookdecade:1910
  • bookcentury:1900
  • bookauthor:Gaston__Ralph_Mayo
  • booksubject:Movable_bridges
  • booksubject:Theses
  • bookcontributor:University_of_Illinois_Urbana_Champaign
  • booksponsor:University_of_Illinois_Urbana_Champaign
  • bookleafnumber:90
  • bookcollection:university_of_illinois_urbana-champaign
  • bookcollection:americana
Flickr posted date
InfoField
28 July 2014

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@N07/14765505294. It was reviewed on 14 September 2015 by FlickreviewR and was confirmed to be licensed under the terms of the No known copyright restrictions.

14 September 2015

File history

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

Date/TimeThumbnailDimensionsUserComment
current21:19, 14 September 2015Thumbnail for version as of 21:19, 14 September 20152,445 × 1,903 (288 KB)Fæ (talk | contribs)== {{int:filedesc}} == {{subst:chc}} {{information |description={{en|1=<br> '''Identifier''': electricalequipm00gast ([https://commons.wikimedia.org/w/index.php?title=Special%3ASearch&profile=default&fulltext=Search&search=insource%3A%2Felectricalequip...

You cannot overwrite this file.

There are no pages that use this file.

Retrieved from "https://commons.wikimedia.org/w/index.php?title=File:Electrical_equipments_for_movable_bridges_(1916)_(14765505294).jpg&oldid=691191072"