Comparison of indirect and direct illumination (1912)
Habrylwicz, Valentine Bernard, Kailer, Frank Spencer · leaf 60
u. or i. i.i. roRM 3 DIRECT S-OBSERVEDPlane 5 ftSTATION A 3 1 0.58 0.89 2 0.73 1.30 3 0.84 1.65 4 0.66 1.00 5 0.84 1.20 6 0.93 2.20 7 0.90 1.28 8 0.75 1.30 9 0.90 2.10 10 0.95 1.80 11 0.68 1.10 DATA.2 in. c D E 1.10 0.70 0.46 2.60 1.25 0. 52 2.65 1.60 0.31 1.25 0.90 0.48 1.74 1.10 0.60 1.71 1.58… … U. CF I. 6. 6. rCHM 3 27 VI. THEORY AND CALCULATION OF A DIRECT LIGHTING SYSTEM To get the normal illumination at any given point the oandle powerin the proper diredtion must be divided by the square of the distance to thepoint illuminated. If the surface is at right angles to the direction…
Interior lighting · Lighting · School Buildings · Theses
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
