Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 562
s laboratory,a public testing station, and a sectiongiven up to general photometry, in whichlamps up to several thousand c.p.could be tested. The chief object ofinterest in this room was the travellingphotometric bench and rotating mirrorarrangement for obtaining polar curve.*of light distribution,… … FiCt. 3 —A Nijrht Nnrserv. Central indii-oct fittinjjs .and liifhts above each bed. In Fig. 3 a view is shown of a nightnursery illuminated by a central semi-indirect fitting, with lamps above eachbed. Photometric Exinnrr. In the engineering and miscellaneoushall there were a great many exhibits…
Lighting
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