A natural philosophy : embracing the most recent discoveries in the various branches of physics, and exhibiting the application of scientific principles in everyday life .. (1899)
Quackenbos, G. P. (George Payn), 1826-1881 · New York, Cincinnati [etc.], American book company · leaf 139
dinary 134 HYDROSTATICS. 309. Locks.—We are enabled to run canals through un-even tracts by taking advantage of the fact that water al-ways finds its level. If the bottom of the canal were not ofa uniform grade, the water would run towards the lower endand inundate the surrounding country. When,… … Let AB represent a canai, the upper section of which, A, is fifteen feethigher than the lower section B. A boat is passed from one to the other bymeans of the lock C, which communicates with either section, as may be de-sired, by opening sliding valves in the lock-gates D, E. When a boat is…
Physics
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