File:Straight lightwell.gif

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Straight_lightwell.gif(181 × 338 pixels, file size: 3 KB, MIME type: image/gif)

Summary

Description
English: An arrangement of prism canopies to light rooms adjacent to a light well.
Date
Source Ian Macky http://glassian.org/Prism/Luxfer/Handbook/page95.html
Author [1]

Licensing

Public domain
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.

Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Straight_lightwell.gif
  1. Henry Crew, Ph.D., and Olin H. Basquin, A.M., editors (1898) Pocket Hand-book of Electro-glazed Luxfer Prisms containing useful information and tables relating to their use For Architects, Engineers and Builders.[1]

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Date/TimeThumbnailDimensionsUserComment
current05:53, 10 October 2017Thumbnail for version as of 05:53, 10 October 2017181 × 338 (3 KB)HLHJUser created page with UploadWizard
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