File:Lucidux daylighting.gif

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Summary

Description
English: A two-stage prism setup to send natural light into a basement.
Date
Source Ian Macky at http://glassian.org/Prism/Luxfer/CA/Catalogue/page25.html
Author Luxfer Prism Company of Toronto

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, 1931.

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:Lucidux_daylighting.gif

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16,425 byte

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00d440b81cf71e25a3fa2f4d87ba2a558e415fb5

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Date/TimeThumbnailDimensionsUserComment
current02:31, 7 October 2017Thumbnail for version as of 02:31, 7 October 2017369 × 304 (16 KB)HLHJUser created page with UploadWizard

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