File:Comparison of indirect and direct illumination (1912) (14596766637).jpg

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English:

Identifier: comparisonofindi00habr (find matches)
Title: Comparison of indirect and direct illumination
Year: 1912 (1910s)
Authors: Habrylwicz, Valentine Bernard Kailer, Frank Spencer
Subjects: Interior lighting Lighting School buildings Theses
Publisher:
Contributing Library: University of Illinois Urbana-Champaign
Digitizing Sponsor: University of Illinois Urbana-Champaign

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Text Appearing Before Image:
due to the absence of the reflectors. The uniformity of distribution in this direct system with the unitsinverted is more consistent than it would be if the units were hanging down.Due to the light ceiling and walls the rays are reflected over a larger area,and not concentrated over spots directly beneath the clusters. DIRECT SYSTEM.OBSERVED DATA.Plane 2 ft. 8 in. ATI ON A B C D E 1 0.52 0.81 0.98 0.62 0.48 2 0.78 1.17 1.40 1.02 0.61 3 0.85 1.50 1.35 1.34 0.89 4 0.91 1.25 1.80 1.20 0.69 5 0.97 1.36 1.62 1.17 0.82 6 1.02 1.76 1.26 1.64 0.77 7 1.00 1.47 1.80 1.24 0.82 8 0.91 1.35 1.80 1.27 0.78 9 1.00 1.52 1.40 1.52 0.83 10 0.88 1.43 1.66 1.45 0.78 11 0.72 1.07 1.15 0.98 0.5 Plane 3 ft . 9 in. 1 0.61 0.96 1.12 0.68 0.53 2 1.00 1.37 2.00 1.23 0.60 3 0.77 1.34 1.38 1.25 0.70 4 0.80 1.12 1.35 1.05 0.60 5 0.82 1.25 1.64 1.02 0.70 6 0.94 1.82 1.12 1.42 0.67 7 0.87 1.34 1.74 1.07 0.68 8 0.88 1.39 1.86 1.17 0.72 9 1.00 1.70 1.84 1.45 0.84 10 0.86 1.40 1.94 1.54 0.82 11 0.70 0.89 1.10 0.93 0.57
Text Appearing After Image:
U- OF 1. O. U. FCRM 3

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https://www.flickr.com/photos/internetarchivebookimages/14596766637/

Author

Habrylwicz, Valentine Bernard;

Kailer, Frank Spencer
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:comparisonofindi00habr
  • bookyear:1912
  • bookdecade:1910
  • bookcentury:1900
  • bookauthor:Habrylwicz__Valentine_Bernard
  • bookauthor:Kailer__Frank_Spencer
  • booksubject:Interior_lighting
  • booksubject:Lighting
  • booksubject:School_buildings
  • booksubject:Theses
  • bookcontributor:University_of_Illinois_Urbana_Champaign
  • booksponsor:University_of_Illinois_Urbana_Champaign
  • bookleafnumber:54
  • bookcollection:university_of_illinois_urbana-champaign
  • bookcollection:americana
Flickr posted date
InfoField
30 July 2014



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This image was originally posted to Flickr by Internet Archive Book Images at https://flickr.com/photos/126377022@N07/14596766637. It was reviewed on 26 August 2015 by FlickreviewR and was confirmed to be licensed under the terms of the No known copyright restrictions.

26 August 2015

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Date/TimeThumbnailDimensionsUserComment
current00:02, 9 December 2016Thumbnail for version as of 00:02, 9 December 20163,568 × 2,504 (3 MB)SteinsplitterBot (talk | contribs)Bot: Image rotated by 90°
03:16, 26 August 2015Thumbnail for version as of 03:16, 26 August 20152,504 × 3,569 (2.92 MB) (talk | contribs)== {{int:filedesc}} == {{information |description={{en|1=<br> '''Identifier''': comparisonofindi00habr ([https://commons.wikimedia.org/w/index.php?title=Special%3ASearch&profile=default&fulltext=Search&search=insource%3A%2Fcomparisonofindi00habr%2F fin...

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