Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 88
25 ft. distance andconcealed. This sign replaced a glass boxsign containing thirty 60-watt lamps.There are certainly many opportunitiesfor sign illumination by flood lighting inthis country, but the sites should be care-fully chosen with a view to concealingthe projector wherever possible. Many… … Fig. 1.—Showing indicator sign on platform atPiccadilly Circus Underground Station. twnpQ UmercrowO H FREOUENTELECTRICTRAINS TOALL PARTSOF LONDON Fig. 2.—Showing sign in Jermyn Stieet (Picca-dilly), with illuminated map. by Messrs. Vergne was recently seen,which required only one lamp to light…
Lighting
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![An illustration from XIXe [i.e. Dix-neuvième] siècle (en France); classes - moeurs - usages - costumes - inventions. Ouvrage illustré d'un front. chromotypographique, de 16 planches coloriées aux patrons, de 36 entetes et lettres ornées et de 487 gravures (dont 24 tirées hors texte) d'après les principaux artistes du siècle (1893)](https://img.insideoutlibrary.com/img/200/ia-xixeiedixneuvi00granuoft-802-610.webp)
