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Scientific American, Vol. 69, No. 19 (1893) (1893)
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on or disease gerins. The mattresses and pillows are cov- the cut-off rods are shifted by the trip mechanism one ered with a light covering of fine curled hair or other of the stops will engage with a crab to prevent the material, which may be removed for cleaning when pick froin touching the valve… … the mysterious wvs in which serious fires sometimes ments were first laid OF THE WESTON & WELLS WORLD'S COLUMBIAN EXPOSITION—EXHIBIT in Paris in 1854, start © 1893 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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