Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 179
is way the effects ofdifferent styles of lighting, the resultantdistribution of illumination, and theright and wrong positions for reading,could be clearly demonstrated. A fewjDhotographs of these arrangements arereproduced in Figs. I, 2, and 3. This method, although requiring alittle extra trouble… … Indirect. Semi-Indirect. Direct. Fig. 3.—Three common methods of illumination. THE ILLUMINATING ENGINEER. 165 TRADE NOTES. [At the request of many of our readers we are extending the space devoted to Trade Notes, and are open toreceive for publication particulars of new developments in lamps,…
Lighting
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