Pumped storage power plants -- Congresses. : Converting existing hydro-electric dams and reservoirs into pumped storage facilities : Engineering Foundation conference, Franklin Pierce College, Rindge, N.H., August 18-23, 1974 / chairmen, Ellis L. Armstrong, Ted W. Mermel.
Pumpelly, Gurdon H. -- Trials, litigation, etc. : The people ex rel. George F. Andrews and Gurdon H. Pumpelly, as temporary administrators etc. of Frederick C. Hewitt, deceased, respondents and appellants, vs. Del Rey A. Cameron, J. Fred Millrea and DeWitt C. Crance, assessors of the village of Owego, Tioga County, N.Y., appellants and respondents ; The people ex rel. George F. Andrews and Gurdon H. Pumpelly, as executors etc. of Frederick C. Hewitt, deceased, respondents and appellants, vs. Harry B. Tilbury, George S. Nichols and Don C. Lane, assessors of the town of Owego, Tioga County, N.Y., appellants and respondents.
Pumping machines -- Early works to 1800. : The art of water-drawing, or A compendious abstract of all sorts of water-machins, or gins, practised in the world: [electronic resource] : with their natural grounds and reasons. As also new wayes and machins never before published. Where is also disapproved 1. The perpetual motion. 2. The water-poise. 3. The syphon, or philosophers engin. 4. The horizontal sails. With divers other experiments. Published for supplying our most necessary wants of firing, for raising of water for cities and towns, and for watering and draining of grounds.