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Scientific American, Vol. 50, No. 19 (May 1884) (1884)

leaf 3

An illustration from Scientific American, Vol. 50, No. 19 (May 1884), 1884, leaf 3
will appear as indicated above. NOVEL DOOR CHECK. The door catch herewith shown automatically engageswith the door to hold it open, and can be readily releasedby a slight pressure with the foot. An ornamental box orcase is secured at its back to the base board of the room insuch a position that the… … I Properties of Brass. The most important properties of brass compared withcopper are the following: The color of brass is muchbrighter, and more approaching to that of gold; it is morefusible than copper, less subject to rust and to be actedupon by the vast variety of substances which corrode…

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