Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 189
ng might be made quiteserviceable if kepi on the ceiling, withfour or six hemispherical glass enclosures,hut it will not bi and diffusive as the indirect light. If there is a room0] space over the ceiling that wouldadmit of access to these lamps, so muchthe better. In eithei case no other lighting… … Dirtcf Ceiling Lighh Tig. 11.—In Operating Rooms with Ordinary («■ i I I 11 J s. greatly reduced that to encumbei theroom with alternative fittings (and each one is a dust trap) would be the gnevil. The first precaution should be toplace one half of the lamps on an entirelyseparate circuit ; this…
Lighting
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