 | George Gregory - 1796 - عدد الصفحات: 682
...hundred pounds, be laid upon the upper board. Now if we pour more water into the pipe, it will as before run into the bellows, and raife up the board with all the weights upon it. And though the water in the tube fhoukl weigh in all but a fingle pound, yet the preflure of this fmali... | |
 | Colin Macfarquhar, George Gleig - 1797 - عدد الصفحات: 450
...and feparate the boards a little. Then lay three weights, each weighing 100 pounds, upon the upper board ; and pour more water into the pipe, which will...into the bellows, and raife up the board with all the weight» upon it ; and if the pipe be kept full until the weights are raifed as high as the leather... | |
 | George Gregory - 1798 - عدد الصفحات: 582
...pounds, t* • laid upon the upper board. Now if we pour more water into the pipe, it will as before run into the bellows, and raife up the board with all the weights upon it. And though the water in the tube fhould weigh in all but a fingle pound, yet the preflure of this fr^ r... | |
 | Thomas Hodson - 1802 - عدد الصفحات: 556
...weighing 100 pounds each, and pour more water into the pipe, which, by running into the bellows, will raife up the board with all the weights upon it ; and if the pipe be kept full until the weights are railed as high as the board can rife, the water will remain in the pipe, and fupport all th? weights... | |
 | Thomas Hodson - 1806 - عدد الصفحات: 488
...weighing i00 pounds each, and pour mere water into the pipe, which, by running into the bellows, will raife up the board with all the weights upon it; and...kept full until the weights are raifed as high as the board can rife, the water will remain in the pipe, and fupport all the weights ; though the water in... | |
 | Alexander Jamleson - 1821 - عدد الصفحات: 456
...bellows, separating the boards a little: then lay three weights, each weighing 100 pounds, upon the upper board, and pour more water into the pipe, which will run into the- bellows, and raise up the board with all the weights upon it; and if the pipe be kept full, until the weights are... | |
 | James Ferguson - 1839 - عدد الصفحات: 554
...upon the upper board •, and pour more water into pipe B, which will run into the bellows, and raise up the board with all the weights upon it ; and if the pipe be kept full, until the weights are raised as high as the leather which covers the bellows will allow them, the water will remain in the... | |
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... as high as the leather which covers the bellows will allow them, the water will remain in the pipe, and fupport all the weights, even though it fhould weigh no more than a quarter of a No. 