Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 147
toras well as a heater. The secondform of heater consists of a slenderrod of refractory material aboutwhich a platinum wire is wound,the wire again being covered witha cement. This rod is then formed into a spiral which surrounds theglower in the vertical glower type, or is formed into the wafer… … Fig. 20. Sectional View of Multiple-Glower Westinghouse Nernst Lamp. 116 ELECTHK LKJUTINO LTJ Tin- liratiii)^ (Kvicf is coim<<tt«l across ihe firciiit when tin* lampis first tiinirtl on, antl it must Ik- cut out of circuit after the flowersbecome coutluctors in order to save the enep/v…
Architecture · Building
Internet Archive · Kelly Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
