necting with this air chamber, and escapes in a ably there will be more or less opposition on the part of the construction of this type of duplex pump varies mate- shower from the perforated receptacle above. The same the advocates of American shipbuilding; but if an American rially from all… … side, and so combined as to it will test the practicability WORTHINGTON'S DITPIEX PRESSURE PUMP. of the two most prominent act reciprocally upon the routes to the North Pole, The steam valves of each other. Smith's Sound route, which Captain Howgate proposes to The one piston acts to give steam to…
Patents · Boiler · Invented · Patented · Scientific American · Water · Potential energy · Muscular power · Steam boiler · Square foot · Professor tyndall · Practical treatise · Cast Iron · Fire proof · Gilbert elevated
Internet Archive · Public domain (published before 1931). Free to use for anything.
