Science Record 1874. KEEP YOUR BOILERS CLEAN. ANTI LAMINA SUPER-HEATERS WIRE ROPE. MURRILL & KEIZER 44 Holliday St. Bait. BUILDERS NEW YORK —0 IRON PLANERS NEW HAVEN MANUFACTURING CO. New Haven Conn. PRATT'S ASTRAL OIL. IRON STEAMSHIP BUILDERS. NEAFIE & LEVY MARINE ENGINES BOILERS AND BUILD ERS OF COMPOUND ENGINES HAMPION SPRING MATTRESS—The i. Afr $7 MAIDEN LANE NEW YORK PLANERS PUBLIC LIBRARY of KY. A FULL DRAWING ASSURED!! Tuesday the 31st of March next. $1500000! STEEL STAMPS JUST OUT. 100000 Todd & Rafferty Machine Co. EXTRA HEAVY AND IMPROVED. l'UltTLAN1) CEMENT HOUSTON'S PATENT TURBINE


Science Record 1874. KEEP YOUR BOILERS CLEAN. ANTI LAMINA SUPER-HEATERS WIRE ROPE. MURRILL & KEIZER 44 Holliday St. Bait. BUILDERS NEW YORK —0 IRON PLANERS NEW HAVEN MANUFACTURING CO. New Haven Conn. PRATT'S ASTRAL OIL. IRON STEAMSHIP BUILDERS. NEAFIE & LEVY MARINE ENGINES BOILERS AND BUILD ERS OF COMPOUND ENGINES HAMPION SPRING MATTRESS—The i. Afr $7 MAIDEN LANE NEW YORK PLANERS PUBLIC LIBRARY of KY. A FULL DRAWING ASSURED!! Tuesday the 31st of March next. $1500000! STEEL STAMPS JUST OUT. 100000 Todd & Rafferty Machine Co. EXTRA HEAVY AND IMPROVED. l'UltTLAN1) CEMENT HOUSTON'S PATENT TURBINE WATER WHEEL. LUBRICATORS. American Saw Co. Movable-Toothed Circular Saws Eccentric Geared Power Presses. THE PULSOMETER. Branch Depots DOUBLE ACTING SteaMPUMPS ALWAYS RELIABLE. ROOTS FORCE BLAST BLOWER SPEED ONLY100 TO 300 REV. PER. MIN. SAVES HALF THE POWER REQUIRED FOR FAN. THE BEST MECHANICAL PAPER IN THE WORLD.; VOLUME XXXNEW SERIES. TERMS. MUNN & CO., scientific american, 1874-01-31


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