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Scientific American, Vol. 31, No. 7 (1874) (1874)
leaf 3
son. To workmen who, in the course of their labor, find of the boiler, and, on withdrawing the bolts, allowing the 4, Furniture and manufactures of general use in construc: group of tubes to descend intothe fire box, whence it can be it necessary to transport a kit of heavy tools from place tion… … © 1874 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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