Wikimedia Commons

File:Two lights on the western concrete counterweight on the south span. The two lights are used, in conjunction with visible guides on Terminal Island by the bridge operator to HAER CAL,19-LOSAN,75-34.tif

Original file ‎(5,000 × 4,035 pixels, file size: 19.24 MB, MIME type: image/tiff)

Captions

Captions

Add a one-line explanation of what this file represents

Summary edit

Photographer
Eckar, Bruce
Title
Two lights on the western concrete counterweight on the south span. The two lights are used, in conjunction with visible guides on Terminal Island by the bridge operator to judge speed and position of the south span as it opens or closes. Based on the movement of the lights relative to each other and the background the south span is speeded up or slowed down and the brakes applied during the opening and closing process. View facing south. - Henry Ford Bridge, Spanning Cerritos Channel, Los Angeles-Long Beach Harbor, Los Angeles, Los Angeles County, CA
Depicted place California; Los Angeles County; Los Angeles
Date 1994
date QS:P571,+1994-00-00T00:00:00Z/9
Dimensions 4 x 5 in.
Current location
Library of Congress Prints and Photographs Division Washington, D.C. 20540 USA http://hdl.loc.gov/loc.pnp/pp.print
Accession number
HAER CAL,19-LOSAN,75-34
Credit line
This file comes from the Historic American Buildings Survey (HABS), Historic American Engineering Record (HAER) or Historic American Landscapes Survey (HALS). These are programs of the National Park Service established for the purpose of documenting historic places. Records consist of measured drawings, archival photographs, and written reports.

This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing.

Source https://www.loc.gov/pictures/item/ca1967.photos.181409p
Permission
(Reusing this file)
Public domain This image or media file contains material based on a work of a National Park Service employee, created as part of that person's official duties. As a work of the U.S. federal government, such work is in the public domain in the United States. See the NPS website and NPS copyright policy for more information.
Camera location34° 03′ 07.99″ N, 118° 14′ 34.01″ W Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

File history

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

Date/TimeThumbnailDimensionsUserComment
current06:08, 5 July 2014Thumbnail for version as of 06:08, 5 July 20145,000 × 4,035 (19.24 MB)Fæ (talk | contribs)GWToolset: Creating mediafile for Fæ. HABS 05 July 2014 (401:500)

You cannot overwrite this file.

Metadata

This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.

Retrieved from "https://commons.wikimedia.org/w/index.php?title=File:Two_lights_on_the_western_concrete_counterweight_on_the_south_span._The_two_lights_are_used,_in_conjunction_with_visible_guides_on_Terminal_Island_by_the_bridge_operator_to_HAER_CAL,19-LOSAN,75-34.tif&oldid=520547406"