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Air Pump
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Description: "The air pump is an instrument for removing air from a given space. A closed vessel R is called the receiver, and the space that it encloses is that from which it is desired to remove the air. It is usually made of glass, and the edges are ground so as to be perfectly air-tight. When made in the form shown, it is called a bell-jar receiver." — Hallock, 1905
Source: V. I. Hallock I.C.S. Refrence Library (Scranton: International Textbook Company, 1905)
Keywords: Air, Pump, Instrument, Bell-Jar, Receiver,
Copyright: 2009, Florida Center for Instructional Technology. See license.
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Clipart ETC is a part of the Educational Technology Clearinghouse and is funded by various grants. Produced by the Florida Center for Instructional Technology, College of Education, University of South Florida. Email the project manager.