Read Online Street Illumination of Champaign: Thesis (Classic Reprint) - Edward Myron Jasper file in PDF Online

Read Online Street Illumination of Champaign: Thesis (Classic Reprint) - Edward Myron Jasper file in ePub

Excerpt from Street Illumination of Champaign: ThesisIf a light source has an average intensity in all directions of one candle-power, the light from that source is equal to one mean spherical candle-power, or simply one mean spherical candie. The density of the light flux falling upon a surface is termed the illumination of that surface. The unit of illumination, as

Title : Street Illumination of Champaign: Thesis (Classic Reprint)
Author : Edward Myron Jasper
Language : en
Rating :
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Type : PDF, ePub, Kindle
Uploaded : Apr 06, 2021

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