Well's natural philosophy : for the use of schools, academies and privte students, introducing the latest results of scientific discovery and research ; arranged with special reference to the practical application of physical science to the arts and the experiences of everyday life ; with three hundred and seventy-five engravings (1873)
Wells, David A · New York : Ivison, Blakeman, Taylor and Co. · leaf 264
to the long arm ofthe tube, and by observing the differenceof the levels of the mercury in the twotubes, the pressure of the steam may be calculated. Thus, when the mercury is at the same level in bothlegs, the pressure of the steam balances the pressure of the atmosphere,and is therefore 15 pounds… … 2G0 WELLSS NATUKAL PHILOSOPHY. _ . As tho pressure of steam increases with its temperature, the pressure of pressure upon the interior of the boiler may also be known by steam be m- means of a thermometer inserted into tlie boiler. Thus it has dicatea by a thermometer? been ascertained that steam…
Physics · Science · Technology
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