Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 142
filament gradually changes 110 ELKCTRir mc;htinc; i: to olio of tuiifjsttMi. A Sfcoiid iiiftlxxl consisLs of the use of fxjwden*<ltungsten and some hiiidiii^ material, sometimes orgjinie and in othereases metallie. The j>o\v<lered tiiii;,sten is mixed with the hiiidingnmterial, the paste… … *o 30* eo 10 o to* so JO*KIk. H. DLtlritiutloii furvos fitr Timtuliim I,rnii> N I. 10 Watts. No ?. so Wntln into filaments, and then ehan<,iii;^ them (o the metallic form liv passinj;electric current throu;^h the filaments. The tunj^sten lam|> has the highest eflieit-ncy t)f any of the…
Architecture · Building
Internet Archive · Kelly Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
