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 175
ury will now stand at the height of about 30 inches; but if with aneedle we make a hole in the bladder closing the top of the tube, the mer-cury in the tube immediately falls to the level of that in the cup. These experiments by Torricelli led to the invention of theBarometer. It was noticed that a… … IIow did theexperiment ofTorricelli leadto the inven-tion of the Ba-rometer ? PNEUMATICS. 171 Why shouldtle presence ofc indensed va-por of water int!i3 atmos-phere affect itspressure ? naturally attributed to the variation in the weight or pres- ]sure of the incumbent atmosphere, arising from…
Physics · Science · Technology
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