Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 144
construction of a building forcarrying out illumination experiments. serious remains to be seen, and eventuallyit may be found desirable to enclose itcompletely. The ground is of concretewith a slight slope to the sides. Into itbattens are dove-tailed, at 4-ft. centresin both directions, to which… … Fig. 1.—Showing new building for illumination experiments at National PhysicalLaboratory, in course of erection. It is expected that in most cases,especially for daylight measurements,scale models will suffice, so that themost convenient absolute size can bechosen. The building itself is merely…
Lighting
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