I.C.S. reference library : a series of textbooks prepared for the students of the International Correspondence Schools and containing in permanent form the instruction papers examination questions, and keys used in their various courses (1904)
International Correspondence Schools · Scranton : International Textbook Co. · leaf 314
cs that treatsof the properties and pressures of gases. 41. The most striking feature of all gases is their greatexpansibility. If we inject aquantity of gas ^ however small^into a vessel, it will expandand fill that vessel. If a blad-der or football be partly filledwith air and placed under aglass… … 28 MECHANICS OF FLUIDS. § 6 space is called tension. The word tension in this case meanspressure, and is only used in this sense in reference to gases. 42, As luatcr is the most common type of fluids, so airis the most common type of gases. It was supposed by theancients that air had no weight, and…
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