ed thereon the treadle is removed, a spring returns the lever to its chest. In the under side of the valve is an exhaust cavity by means of a needle or narrow scraper, which cuts normal position and thus closes the door. Another adapted to alternately connect the inlet ports with one through the… … MOOES' FURNACE S00R OPENER. WOOD & HOUSTON'S VALVE. ditious way what is usually a difficult and expensive operation—the laying of a long line of pipe in deep water. He had occasion to lay nearly 1,000 feet of treadle gives vertical movement to a rod on the upper with a rod connected with the…
Shaft · Munn · Patents · Device · Scientific American · Crank · Cotton stalks · Water shield · Screw shaft · Furnace door · Engine room · Feed water · Tin roof · Crank shaft · Sewing machine
Internet Archive · Public domain (published before 1931). Free to use for anything.
