Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 132
rly constant, after which the light givenby the lamp is gradually reduced to about 80% of the initial candle-power. 104 ELECTRir LIGHTING n l)i>trihiilioii ol l.i;;lit. In 11;^;. 1 art- .shown various forms offilaments used in incandi-sfent lamps, and Fi^. 7 and 8 show the dLs-trihution of… … lao ■ ■ I i FIk k VtTlliiil DIstrihiillMii <iirv« for Slniclo-IxM.p Fllaiiieiit. tribulion in a vrrliral phni-. l?y clian^iiij^ (he sliap*- of the lilaincntth< li^ht distriltution is \aiifd. A intaii of (he rcailings lakni mitin- horizontal plane forms (he mcdii horizontdl raniUi-jHwrr,…
Architecture · Building
Internet Archive · Kelly Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.