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 189
ore, kept full by the pressure of the atmos-phere, and kept running by the irregularity of the lengths of tho columns inits branches. A SMction-tubo is sometimes attached to the syphon to make it more use-ful and efficient, as is represented in Fig. 180. By this means we may fillthe whole syphon… … PNEUMATICS. 185 perfectly constant, it is nec-casary that the differenceof lengths of the columns ofliquid in both branchesshould be immovable.Thia may be effected byconnecting the sj^Dhon witha float and pulley, aa is■pepresented in Fig. 181. The curi- Fio. 181. Explain thephenomenonof…
Physics · Science · Technology
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