Philosophical instructor, or, Webster's elements of natural philosophy : subdivided into principles and illustrations ; intended for academies, medical schools, and the popular class-room (1824)
Eaton, Amos, 1776-1842, Webster, John, fl. 1804-1824 · Albany : Printed by Websters and Skinners ... · leaf 42
s, is a remarkableinstance in proof of this law of gravi-tation ; for the top of the tower over-hangs its base sixteen feet, so thatstrangers pass by it with terror, lest itshould fall on their heads ; but as theline of direction falls within the baseof the building, it still remains sup-ported ;…
Physics
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