A B C of Hydrodynamics #268513

Fifty years elapsed, and then Lord Kelvin said, practically, the same thing: Thus it is that gravity, which could not affect the motion of a liquid entirely filling a rigid closed vessel, will exercise a most important influence on the motion Ofa liquid contained in an open vessel, and exposing a free surface to the atmospheric pressure. Some parts of the book are necessarily contentious. L have, however, when I disagree with the ordinary modern teaching, only quoted from authors of position and authority to explain my objections. The quotations are, perhaps, rather full, but I do not think it is fair to take a sentence out of a paragraph and remove it from the context.