The lighting book; a manual for the layman, setting forth the practical and esthetic sides of good lighting for the home (1913)
Godinez, F. Laurent · New York, McBride, Nast & company · leaf 61
light in the midst of an illuminated areaof less intensity. The microscope and camera combined wereutilized by the writer in studying the phenomenon 36 THE LIGHTING BOOK of light transmission in various media and withground glass it was noticed that the effect producedwas to allow light rays to… … The Light from a Tungsten or Lamp is MainlyDistributed Along the Horizontal side of the lamp, the greatest radiating surface be-ing there. Naturally from the tip or base, wherethe radiating surface is less and there is much im-pediment to light rays in the form of metal socketsor burners, the light…
Lighting
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