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Cyclopedia of mechanical engineering; a general reference work. Editor-in-chief Howard Monroe Raymond. Assisted by a corps of mechanical engineers, technical experts, and designers of the highest professional standing (1908)

American School (Chicago, Ill.), Raymond, Howard Monroe · Chicago American Technical Society · leaf 296

An illustration from Cyclopedia of mechanical engineering; a general reference work. Editor-in-chief Howard Monroe Raymond. Assisted by a corps of mechanical engineers, technical experts, and designers of the highest professional standing, 1908, leaf 296
open arc light is beingsupplanted by the enclosed arc, with a distinct gain in economy 26: SHOP LIGHTING and safety. The open arc, even with the best quality of carbon,is somewhat noisy, and is subject to disagreeable flickering, whilethe falling of pieces of incandescent carbon, is not only…

Mechanical engineering

Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.

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