PRINCIPLES OF LIGHTING-INSTALLATION DESIGN


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PRINCIPLES OF LIGHTING-INSTALLATION DESIGN
PRINCIPLES OF LIGHTING-INSTALLATION DESIGN184. The general purpose of artificial lighting is to enable things to be seen readily. Since things are seen by the light which is reflcted from them (see "Brightness," Sec. 39) into the eye, in an effective lighting installation it is necessary that the number and arranagement of lighting units render most easily seen those things which it is desired to see. To accomplish this, recognition must be made of the effect of light on the human eye.185. Physiological features of artificial lighting. To appreciate properly the principles of scientific lighting, it is necessary to understand the mechanism of …
Citation
Terrell Croft; Frederic P. Hartwell; Wilford I. Summers: American Electricians' Handbook, Sixteenth Edition. PRINCIPLES OF LIGHTING-INSTALLATION DESIGN, Chapter (McGraw-Hill Professional, 2013), AccessEngineering Export