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Scientific American, Vol. 42, No. 9 (1880) (1880)
leaf 3
to reproduce colors hitherto considered out of the merly, by which the friction of the parts passing each other efficiency. They have also received numerous other medals reach of photography: has been greatly reduced, and iron revolvers can be made and awards from the American Institute, New York,… … as gas exhausters. They worked very suc- substance which is always found to accom- cessfully, and since that time the largest and pany chloropbyl, and which seems to have best companies in the United States and Ca- some intimate relation with it. On the char- © 1880 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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