The canon awoke, took a pinch of snuff and offered his snuff-box to the General; this restored his equilibrium, and we resumed our game.
"The Dead Lake and Other Tales"
Paul Heyse
Well suppose you're feeling all the time that one little thing more, one little word or some one coming in or a window breaking-anything will upset the equilibrium of everything?
"Fortitude"
Hugh Walpole
The glorious revolution has decided the long struggle of the previous century; the main outlines of the British Constitution are irrevocably determined; the political system is in harmony with the great political forces, and the nation has settled, as Carlyle is fond of saying, with the centre of gravity lowest, and therefore in a position of stable equilibrium.
"English Literature and Society in the Eighteenth Century"
Leslie Stephen