AN IMPROVED SLIDE VALVE. VAN WEGEN'S BALANCED VALVE. A MACHINE TO HARVEST STANDING CORN. New Agricultural Machines Called For. Soap and Washing Compounds. AN AUTOMATIC CAR COUPLING. MORTON'S CAR COUPLING. A CONVENIENTLY ADJUSTABLE CHAIR. EVERS' FOLDING CHAIR. AN IMPROVED CORN HARVESTER., scientific american, 95-03-16
AN IMPROVED SLIDE VALVE. VAN WEGEN'S BALANCED VALVE. A MACHINE TO HARVEST STANDING CORN. New Agricultural Machines Called For. Soap and Washing Compounds. AN AUTOMATIC CAR COUPLING. MORTON'S CAR COUPLING. A CONVENIENTLY ADJUSTABLE CHAIR. EVERS' FOLDING CHAIR. AN IMPROVED CORN HARVESTER., scientific american, 95-03-16
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