Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 232
AN EXAMPLE OF BAD LIGHTING IN A SPINNING MILL AND HOW IT WAS CORRECTED. These two photographs show the difference between good and had illumination. In thetop picture rive 64-watt carbon lamps, equipped with ordinary enamelled ironshades, are used. In the second photograph, six 40-watt electric…
Lighting
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