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Scientific American, Vol. 61, No. 20 (November 1889) (1889)
leaf 4
causes an increased friction be- are arranged one or more sliding flat shelves, whose side when the bow is turned it is so secured that it cannot tween the wheels and the rails, which is claimed to be edges are adapted to run in grooves, friction rollers be- become accidentally disengaged from the… … until within a short time of his death. formly coloring the mass. HILL'S REFRIGERATOR. © 1889 SCIENTIFIC AMERICAN, INC.Munn · Illustrated · Blanchard · Scientific American · Patents · Sheet metal · Peat fiber · Sewing machine · Electric light · American supplement · Steam engine · Horse power · Store service · Express money
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