[NUMBER 40. VOLUME VIII.) NEW-YORK JUNE 18, 1853. To reverse the engine, the valve is turned THE Scientific American, IMPROVED VALVE AND OSCILLATING ENGINE---Fig 1. halt round by the lever, i, fast on the exhaust PUBLISHED WEEKLY pipe, f; steam is admitted to the cylindrical At 128 Fulton street,… … veral hands are now at work. This is from heat, a little of the above powder is to be The annexed engravings represent an im-| tightly bound in order to prevent the escape ten to twenty inches wide, and some portions sprinkled on the surface, where it will melt provement in the valves of…
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