File:Comparison of indirect and direct illumination (1912) (14596770647).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:
Photometric Curve.Extensive Type Reflector with6 O Watt Tungsten L amp.
Text Appearing After Image:
35 CALCULATED DATA 1 003 %6 Intensity Foot-candles Ft. I j ooss© rt 0 0 01 1.000 46 0.720 1 7 rt 1 8 0.978 47 0.718 2 14 41 0.910 50 rt rt T 1 0.711 3 rt /\ 20 33 0.820 53 0.680 4 2G 34 0.715 56 0.623 5 32 0 0.610 62 0.590 6 3G 54 0.515 66 0. 530 7 41 rt t 2 0.425 7 1 f\ a rt a 0.470 o o 45 01 0.355 70 0.390 n y 48 20 0.295 68 0.314 1U 51 201 0.245 62 0.237 11 54 01 0.204 59 0.188 12 56 201 0.170 55 rt *i m /» 0. 146 13 50 25 0.144 50 rt ^ T rt 0.112 14 60 15 0.122 47 rt rt O rt 0.089 15 rt *i 61 r r- 1 55: 0.105 45 0.074 lb 63 30 0.089 43 0.060 1 olo /-» /-» 66 5 0.067 41 0.043 20 68 101 0.051 39 0.031 <d4 71 nrl 35 0.032 37 rt rt T O 0.018 28 74 5* 0.021 36 rt rt T rt 0.012 32 76 rt t 0 0.014 35.5 0.008 36 77 301 0.010 35 0.006 40 78 50 0.007 34.5 0.004 I I t I I

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https://www.flickr.com/photos/internetarchivebookimages/14596770647/

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:76
  • 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@N07/14596770647. 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 20163,600 × 2,464 (2.94 MB)SteinsplitterBot (talk | contribs)Bot: Image rotated by 90°
03:10, 26 August 2015Thumbnail for version as of 03:10, 26 August 20152,464 × 3,612 (2.87 MB)Fæ (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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