Modern lighting : examples of its successful application in the industries. (1920)
National Lamp Works of General Electric Co. Engineering Department. · National Lamp Works of General Electric Co. Engineering Department · leaf 34
Tlie proverbial forest of belting a-found in this screw-machine room, neednot prevent an adequate sui)ply of prop-erly diffused Huht reaching the work froma general overhead system. Sources oflai^e area are necessary to avoid sharp,black shadows. 1 … ri.AIK JltTKKN Ab ^^a^ iMd»4i n G n rx n n n u m fr^ • ■
Electric lighting · Interior lighting fixtures, lamps, and ballasts
Internet Archive · Building Technology Heritage Library · Public Domain Mark 1.0. Free to use for anything.
![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-637-462.webp)
