Scientific %nmxau. [December 17, 1892. 39^ :levators. ^GRAVES Westinghouse Electric and Manufacturing Co. IlKdpertisements. 1 PASSENGER & FREIGHT^. i -L.S.GRAVESfcSON ROCHESTER NY. NEWrOHK.BOSTON.STLOUIS.DETROil Inside PajfPi each insertion - - 75 cents a line … description of which, send for our catalogue. 1. Stronger than a common screw. Mason Regulator Co., Boston, Mass,, U. S. A. 2. Uniform and wide slot. &to50H. P. THE Motor of 19th Century 3. Requires the use of but one bit in hard wood. ELECTRO VAPOR ENGINE. Can be used AnyPlnce,tQdo Ann 4. Inserted…
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