Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 168
lightillumination. The authors agreed that brought to the notice of the NationalPhysical Laboratory from several sources.It was very important that recognisedqualities should be available, and somepreliminary steps had been taken witha view to making definite progresstowards this end, for without… … Contour Curves for Installation No. I.
Lighting
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