Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 52
op-light era when each employee hada single carbon lamp hanging over hisdesk, it was not extravagant to spend atleast this amount for general lighting. It should be pointed out that theglassware of a semi-indirect unit should bequite dense, i.e., it must transmit onlya small part of the light… … F.c 1-Office Lighting (night view). Indirect Lighting -Offices Crown Agents tor the Colonies, Westminster.
Lighting
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