Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 316
wer, heater, cut-out, and ballast, were mounted in a suitablemanner; the smaller lamps with but one glower were arranged tofit in an incandescent lamp socket, while the larger types were con-structed with as many as four glowers and were arranged to besupported in special fixtures, like small arc… … s i O J w ^^ i O o h| ^^w wo H1-5O> ELECTRIC LIGHTING 19 The advantages claimed for the Nernst lamp were: high effici-ency; a good color of light; a good distribution of light without theuse of reflectors; a long life with low cost of maintenance; and acomplete series of units, thus allowing its…
Electrical engineering
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