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 408
364 ELECTRIC LIGHTING 101 … Fig. 70. Typical Prismatic ReflectorCourtesy of National Electric Lamp Association and the globe appears as if made of some semi-transparent material.The holophane glassware is made in a large variety of artistic designsand for all types of incandescentlamps. By the proper selectionof a reflector,…
Electrical engineering
Internet Archive · Northeastern University Library · Public Domain Mark 1.0. Free to use for anything.
