Quote#Time
A spade may be made of any size, and if the same number of strokes be…
Quote byWilliam Stanley Jevons · 1835–1882
Commonly attributed — not confirmed in an authoritative edition. Cited on Wikiquote to: The Theory of Political Economy (1871), Chapter V, Theory of Labour, p. 173..
English (original)
A spade may be made of any size, and if the same number of strokes be made in the hour, the requisite exertion will vary nearly as the cube of the length of the blade.
— William Stanley Jevons
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