Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 157
a bright ring on the ceiling. shadows, and having a low intrinsicbrilliancy wliich is considered to requireno shading. On the other hand one canimagine that a suitable reflector fittedabove the tube, and throwing much of thelight downwards, would also be ad-vantageous in some cases. The questionof… … Fig. 2.—View of new Moore lighting installation at the Central London Railway, LiverpoolStreet Station. Had the .shades been entirely opaquethis effect would have been still moremarked. ^Vlaen opaque shades are usedfor general lighting care is often neededto avoid an abrupt transition from…
Lighting
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