A textbook on mechanical and electrical engineering (1898)
International Correspondence Schools · Scranton : International Textbook Co., [1898-99] · leaf 447
TIC MACHINES. THE AIR PUMP. 1064. The air pump is an instrument for removingair from an enclosed space. A section of the principal partsis shown in Fig. 192, and the complete instrument in Fig.103. The closed vessel R is called the receiver, and thespace which it encloses is that from which it is… … Fig. 193.The receiver rests upon a horizontal plate in the center ofwhich is an opening communicating with the pump cylinder C by means of a benttube /. The pump pis-ton fits the cylinder ac-curately, and has a valveV opening upwards.At the junction of thetube with the cylinderis another valve…
Electrical engineering · Mechanical engineering
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