John William Grover

Biographical details

John William Grover,  Popular Science Monthly (1873)

“ In considering the work which a horse can perform on a tramway, it is important to bear in mind the question of speed; for, according to the experiments of Tredgold, he can draw exactly four times as much at two miles an hour as he can at five, and it appears that, at three miles an hour, he does the greatest amount of actual useful work, whereas, at ten miles an hour, only one-fourth of his actual power is available, and he cannot exert that for an hour and a half; whereas, at two and a half miles an hour, he can continue working for eight hours. ”
Source: Wikisource

John William Grover,  Popular Science Monthly (1873)

“ Let us keep to the most elementary principles, for it is these which are forgotten and misunderstood, and yet should be engraven on brass and hung up in every railway board-room in the world. On a common road, a horse can pull a ton weight in a cart behind him on the level at 4 to 41⁄4 miles an hour, or, which is the same thing, if a weight of 70 lbs. ”
Source: Wikisource

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