Word: pumps
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...operation, the metal to be melted is placed in the crucible, and an air tight cylindrical hood, about 10 inches in diameter by 15 inches in height, is placed over all the parts. By a powerful vacuum pump, the pressure under the hood is reduced to about one billionth of ordinary atmospheric pressure...
...Every Day's A Holiday Paramount made a determined effort to de-umph Mae West by vacuum-cleaning the script, disguising Mae in a fantastic black French periwig. But, like trying to purify the water by whitewashing the village pump, it did not work. To situations considerably less potential than the story of Adam & Eve, Actress West imparts a meaning all her own; despite all directorial and script-writing efforts to make her steer a straight course, she still writhes as she pleases. As sexless a game as selling a sucker the Brooklyn Bridge resembles, in the West vernacular...
Ever since botanists knew that sap was carried from the roots of a tall tree to the leaves at its top they have wondered what force was responsible for this transportation. One theory held was that pressure in the roots acted as a pump from below. The trouble with this was that no pressures could be measured higher than 1.4 atmospheres, which would not do for trees taller than 46 feet. Lately accepted as the most satisfactory explanation is the cohesion theory, in which it is supposed that suction created at the top by evaporation is transmitted through a cohering...
...effort to repair a break in the pipe line when runs from the Charles River to the Eliot House condenser, city workers yesterday afternoon dug a ten foot hole in front of Winthrop House, and employed a gasoline pump to draw off the escaping flood...
...thermometer touched some new lows yesterday morning the Yard observer reported one of the first signs of an early and cold winter. The tap has been removed from the pump outside Hollis Hall, and presumably, the water has been turned...