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Annual Report of the Librarian of Congress . electric generating plant, located in the cellar (roomK 1), consists of three 100-kilowatt and one 25-kilowattdynamos, driven by steam engines of about 400 horsepowerin
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Electrical news and engineering . plates,electric baths and irons; main steam whistles; soundingmachines; stoking indicators; boiler room telegraphs;clocks; watertight doors; helm indicator; illuminated pic-tures and signs; chimes; bells; loud-speaking ...
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