Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 304
and a minimum of 0*6— decidedly below that of Regenl Street. It is to l»e noted, however, that thisintense lighting abroad IS cut down at least half at about midnight. This isjustifiable when such powerful illumina-tion is used. In that case, when halfthis lighting is t urned out. what remains is… … Views of Mexico City by day and night, showing combination ofcentrally suspended arc lamps and clusters of tungsten lamps inAlba diffusing globes on the pavement. This subdivision of unitsand (use of diffusing globes is characteristic of much Americanstreet lighting. 290 THE ILLUMINATING ENGINEER…
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-789-594.webp)
