Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 144
sformers. Improvements in theprocess of manufacture of filaments and of the method of their sup-port have resulted in the construction of 110-volt lamps for candle-powers lower than was once thought possible. Figs. 15 and 16 showthe appearance of the tungsten lamp, and Figs. 17 and 18 give some 112… … 20* 10 0* To* 20* Flu. 17. ( 1 l)i>iril>\iiiiri ^\\^\>■s t>1 lint-Watt (ieii. Klw. TuiiKXten IiifiiiulcSifiit fiiits witli \i-:i, (-:{, uiiil !)-.■{ Holiiplianwt. (»f the tiiiij^rstri) hiinp is to iiicandcsciMit .stm-t h^htiiif; on series cir-euit.s, in which ea.se tlie hiinp may l)e…
Architecture · Building
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