 | Olinthus Gregory - 1806 - 590 pages
...the water into the bag. When the rod is thruft down again, this water will come out by the valve F, and fill part of the trunk. A repetition of the operation will have a fimilar effeft ; the trunk will be filled, and the water will at laft be difcharged by the fpout. Here... | |
 | Olinthus Gregory - 1815 - 582 pages
...the water into the bag. When the rod is thrust down again, this water will come out by the valve F, and fill part of the trunk. A repetition of the operation...effect ; the trunk will be filled, and the water will at last be discharged by the spout. Here is a pump without friction, and perfectly tight. For the leather... | |
 | Olinthus Gregory - 1815 - 632 pages
...the water into the bag. When the rod is thrust down again, this water will come out by the valve F, and fill part of the trunk. A repetition of the operation will have a similar effect ; the trunk w ill be filled, and the water will at last be discharged by the spout. Here is a pump without friction,... | |
 | John Robison - 1822 - 736 pages
...the water into the bag. When the rod is thrust down again, this water will come out by the valve F, and fill part of the trunk. A repetition of the operation...effect; the trunk will be filled, and the water will at last be discharged by the spout. Here is a pump without friction, and perfectly tight. For the leather... | |
 | John Nicholson - 1825 - 838 pages
...the water into the bag. When the rod is thrust down again, this water will come out by the valve F, and fill part of the trunk. A repetition of the operation...effect ; the trunk will be filled, and the water will at last be discharged by the spout. Here is a putup almost divested of friction, and perfectly light.... | |
 | Luke Hebert - 1835 - 938 pages
...weight ; the air in the bag will be rarefied, and the atmosphere will press the water into the bagsv When the rod is thrust down again, this water will...which they have all been more or less accompanied, hut in a greater degree than the best reciprocating pumps. The reader who is solicitous for information... | |
 | Thomas Ewbank - 1842 - 638 pages
...the bag. When the rod is thrust down again, the water will come out No. 84. Bag Pump. at the valve F, and fill part of the trunk. A repetition of the operation...effect; the trunk will be filled, and the water will at last be discharged at the spout." The operation is precisely the same as in No. 81. "Here is a pump... | |
 | Thomas Ewbank - 1842 - 608 pages
...the water into the bag. When the rod is thrust down again, the water will come out at the valve F, and fill part of the trunk. A repetition of the operation...effect; the trunk will be filled, and the water will at last be discharged at the spout." The operation is precisely the same as in No. 81. " Here i > a... | |
 | Thomas Ewbank - 1851 - 646 pages
...the water into the bag. When the rod is thrust down again, the water will come out at the valve F, and fill part of the trunk. A repetition of the operation...effect; the trunk will be filled, and the water will at last be discharged at the spout." The operation is precisely the same as in No. 81. "Here is a pump... | |
 | Thomas Ewbank - 1876 - 1228 pages
...the water into the bag. When the rod is thrust down again, the water will come out at the valve F, and fill part of the trunk. A repetition of the operation...effect; the trunk will be filled, and the water will at last be discharged at the spout." The operation is precisely the same as in No. 81. "Here is a pump... | |
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... its capacity will be enlarged, the valve F will be shut by its own weight, the air in the bag will be rarefied, and the atmosphere will press the water into the bag. When the rod is thrust down again, this water will come out by the valve F, and fill... 