 | Thomas Ewbank - 1842 - 638 sider
...The sides of these wheels turn close to those of the case, so that water cannot enter between them. The axle of one of the wheels is continued through one side of the case, (which is removed in the figure to show the interior,) and the opening made tight by a stuffing box... | |
 | Thomas Ewbank - 1842 - 608 sider
...Rotary Pump from Serviere. 285 turn close to those of the case, so that water cannot enter between them. The axle of one of the wheels is continued through one side of the case, (which is removed in the figure to show the interior,) and the opening made tight by a stuffing box... | |
 | Thomas Ewbank - 1849 - 634 sider
...Rotary Pump from Serviere. turn close to those of the case, so that water cannot enter between them. The axle of one of the wheels is continued through one side of tiio case, (which is removed in the figure to show the interior,) and the opening made tight by a stuffing... | |
 | Thomas Ewbank - 1851 - 646 sider
...Rotary Pump from Serviere. turn close to those of the case, so that water cannot enter between them. The axle of one of the wheels is continued through one side of the case, (•which is removed in the figure to show the interior,) and the opening made tight by a stuffing... | |
 | John Lee Comstock - 1852 - 420 sider
...causes the continued stream from the direction pipe of this engine ? FIG. 131. TIO. 138. Fire Engine. •wanted. This machine acts precisely like the forcing...601. What is said of the antiquity of the rotary pump T Explain its construction by the figure. What objection to this purnp is stated ? •will turn the... | |
 | John Lee Comstock - 1854 - 418 sider
...pump, only that its power is doubled, by having two pistons instead of one. 601. ROTARY PUMP.—This is an ancient invention, though more than once re-invented...construction, it will be observed that the motion of one wheel will turn the other in the opposite direction, the arrows showing the course of the water. Now the... | |
 | John Lee Comstock - 1854 - 504 sider
...turning a crank, thus converting the piston into cog-wheels, aud the vertical motion into a ratary one. Its construction is as follows : Two metallic...construction, it will be observed that the motion of one wheel 6O1. What is said of the antiquity of the rotary pump7 Explain its construction by the figure. What... | |
 | 1874 - 1186 sider
...The sides of these wheels turn close to those of the case, so that irater cannot enter between them. The axle of one of the wheels is continued through one side of the case, (which is removed in the figure to show the interior,) and the opening made tight by a stuffingbox... | |
 | Thomas Ewbank - 1876 - 1228 sider
...Rotary Pump from Servier), turn close to those of the case, so that water cannot enter between them. The axle of one of the wheels is continued through one side of the case, (\vhk:h is removed in the figure to show the interior,) a:id the opening made tight by a stuffing box... | |
 | Park Benjamin - 1880 - 1002 sider
...The sides of these wheels turn close to those of the case, so that water cannot enter between them. The axle of one of the wheels is continued through one side of the case (which is removed in the figure to show the interior), and the opening made tight by a 3616. stuffing-box... | |
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... or collar of leather. A crank is applied to the end to turn it, and as one wheel revolves, it necessarily turns the other ; the direction of their motions being indicated by the arrows. The water that... 