LATHE Free E The Sebastian-May C Foot Power LIGHTNING WELL-SINKING MACHINERY MAAUFACTOREIS. The American Well Works Aurora Ill. OIL WELL SUPPLY CO. 91 It 92 WATER STREET Pittsburg Pa. 'HOW TO MAKE A 1 Illustrated with plans and all details. CENTS Toe- NEW YORK scales toorder. Scalesinset IMPROVED DESIGNS BARNES' WATER EMERY TOOL GRINDER Has no pumps no valves. No piping required to supply it with water. Always ready for use. Simplest in con struction m o st efficient in oper Catalogue and THE BEST IN THE WORLD. Pumps Any Kind of Liquid. Always in Order never Clogs nor freezes. Every Pump


LATHE Free E The Sebastian-May C Foot Power LIGHTNING WELL-SINKING MACHINERY MAAUFACTOREIS. The American Well Works Aurora Ill. OIL WELL SUPPLY CO. 91 It 92 WATER STREET Pittsburg Pa. 'HOW TO MAKE A 1 Illustrated with plans and all details. CENTS Toe- NEW YORK scales toorder. Scalesinset IMPROVED DESIGNS BARNES' WATER EMERY TOOL GRINDER Has no pumps no valves. No piping required to supply it with water. Always ready for use. Simplest in con struction m o st efficient in oper Catalogue and THE BEST IN THE WORLD. Pumps Any Kind of Liquid. Always in Order never Clogs nor freezes. Every Pump Guaranteed. 10 SIZES. THE VANDUZEN & TIFT CO. 102(s 108 E. Second M. Cincinnati 0. SPECIAL NOTICE! —FOR FREE SITES TO SUBSTANTIAL MANUFACTURING ENTERPRISES The AUTOGRAPHIC REGISTER. A Labor-Saving and Accuracy. 150 E. Monroe Street CHICAG ILL. PERFORATORS OF ALL METALS I The Moselu Improved Water Beater THE ARMSTRONG MACHINES THIS WIRE STRAIGHTENER of Mines Scranton Pa. AND PROSPECTING TAUGHT BY NAIL AIR COMPRESSORS & W. F. & JOHN BARNES CO. TRADES UNIONS THE TENDENCY CHAPMAN VALVE MANUFACTURING COMPANY MANUFACTURERS OF F In 3E1 If 'S. STORAGE TANKS. 3d Floor Rookery Bldg. CHICAG ILL. WM. GRAVER TANK WORKS Electric Motors. Plating Dynamos I NICKEL Newark N. .J. WITH ALL FORGED FIELD MAGNETS. MECHANICS' TOOLS. MONTGOMERY & CO. Fine Tools CARBUTT'S jf DRY PLATES 'CELLULOID' FILMS. THE MECHANICAL TRADES. Keystone Dry Plate and Film Works WayneJunc. Philadelphia. Moses SW-Heating Folding Bath Tub. PRICE CHANDLER & FARQUHAR No. 179 Washington Street Boston. Mass. :-= A SPECIALTY. OFFICE &WORKSI5To24-BRI DGE ST. BROOKLYN DELANEY'S Metallic Gaskets and Aro Thou Nam Good Enloghl RATES. ESTABLISHED 1845. The Most Popular Scientific Paper In the World Weekly-5'2 Numbers a Year. itilditto edition. MUNN dz CO. Publishers 361 Broadway New York. Cat's free. Dan'l F. Beatty Wash'ton. DRILL CHUCKS, scientific american, 1893-03-04


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