Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 44
Kk;. 1.—Showing Pointolitc lamp fitted with reHector ready for insertion in lantern,together with resistance box and connections. … Fig. 2.—Shows Pointolitc lamp inside lantern ready for use. 34 THE ILLUTVIINATING ENGINEER (jan. 1916) REVIEWS OF BOOKS. A Treatise on Ldght. By R. A. Houston,M.A., Ph.D., D.Sc. [Longmans, Greendh Co., London, 1915; 478 pages, 328illustrations.) Professor Houston deals with his sub-ject…
Lighting
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