Recreations in science and natural philosophy (1844)
Ozanam, Jacques, 1640-1717. n 93006101, Montucla, Jean Etienne, 1725-1799. n 85800222, Hutton, Charles, 1737-1823. n 84160398, Riddle, Edward, 1788-1854. no2004015425 · London : Thomas Tegg · leaf 237
it follows that their sum, or the double of the former, is also the shortest possible. PROBLEM XXX. Jf a chain and two buckets be employed to draw up water from a well of very qreat depth ; it is required to arrange the apparatus in such a manner , that in every posi¬ tion of the buckets, the… … the ore is to be drawn up, and to affix the buckets to two points of the rope in such a manner that when one of them is at the highest part, the other shall be at the lowest. For it is evident that, as equal parts of the chain ascend and descend, these parts will counterbalance each other ; and the…
Scientific recreations
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