Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 186
which is better fordust. In nearly all cases they hang or aredrawti directly over the table, some beingon the end of a smooth long swing-armon the wall or a pillar. In this positionthey direct a strong light into the incision,but that light is from one direction only,and in such a light true… … Fig. 6.—Lighting Operating Table by Converging Rays from Mirrors (Prof, Seidentopf).
Lighting
Internet Archive · University of Toronto Libraries · Public Domain Mark 1.0. Free to use for anything.
