Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 120
entmantles, if the correct reflectors wereused and the same positions for thelamps adopted. In this scheme the centre of thedistribution of light is located sUghtly THE ILLUMINATION OF SCHOOLROOMS. 107 in front and to tlie left of the centre ofthe desk area. This anangenient caststhe dominant… … □ □□□□□•; Commenting on the other schemesinvestigated by the Committee, Mr.Lansingh says :— Special methods of artificial illu-mination have been tried from timeto time : for instance, the method of lighting entirely from one side of theroom, and, again, })y an indirectfixture throwing all the…
Lighting
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