Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 48
a more or less shiny cloth aboveand the drawing paper below. Theposition of the unit requires great careas it must not shine in the observerseyes and must not be so placed as to cau?einconvenient shadows from the instru-ments or from the workers person. Theremarks on the importance of avoidingglare… … Fig. 13.—Board Room. Direct General Lighting.
Lighting
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