Glasgow Mechanics' Magazine, and Annals of Philosophy, 2권W.R. M'Phun., 1825 |
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53개의 결과 중 1 - 5개
25 페이지
... Pump has ever been put in practice , and if it an- swers the end described . A CONSTANT READER . N. B. - The description of the Pump is in page 523 , as also the principle upon which it operates , referring to figure 12 on the plate ...
... Pump has ever been put in practice , and if it an- swers the end described . A CONSTANT READER . N. B. - The description of the Pump is in page 523 , as also the principle upon which it operates , referring to figure 12 on the plate ...
26 페이지
... pump back the heat " into the boiler , after it has done its office of impelling the piston in the cylinder ; to pump it back into the gen- erator , and to cause it in this way to act again and again upon the piston ; so that , in this ...
... pump back the heat " into the boiler , after it has done its office of impelling the piston in the cylinder ; to pump it back into the gen- erator , and to cause it in this way to act again and again upon the piston ; so that , in this ...
34 페이지
... pump . Though addi- tional power was thus procured , the exertion required from the pressmen was too great to bring this press into general use . A patent was taken out in the year 1796 , by Mr. Prosser , of Lon- don , for an ...
... pump . Though addi- tional power was thus procured , the exertion required from the pressmen was too great to bring this press into general use . A patent was taken out in the year 1796 , by Mr. Prosser , of Lon- don , for an ...
41 페이지
... PUMP . MR . EDITOR , -The following improvement I invented about three months ago , and I am not aware of the same method having ever been proposed before that time . The barrel , VV ' , fig . 4 , is close at both ends , and has valves ...
... PUMP . MR . EDITOR , -The following improvement I invented about three months ago , and I am not aware of the same method having ever been proposed before that time . The barrel , VV ' , fig . 4 , is close at both ends , and has valves ...
42 페이지
... PUMP . FIG . 6. - E F is the barrel of the pump , and is surrounded by ano- ther cylindric vessel A D , connect- ed with the barrel E F , at the bot- tom CD . The space between A D and EL is filled with mercury . The cylindric vessel ...
... PUMP . FIG . 6. - E F is the barrel of the pump , and is surrounded by ano- ther cylindric vessel A D , connect- ed with the barrel E F , at the bot- tom CD . The space between A D and EL is filled with mercury . The cylindric vessel ...
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acid angle appears Arts ascertain body boiler boiling bottom centre Cheapside Class Coal Gas colour Communications condensed constructed copper Correspondent cubic inches cylinder diameter discovery distance earth Edinburgh effect employed equal experiments fecula feet fire fluid force Galileo Galilei give GLASGOW MECHANICS glass heat honour hydrogen improvement Institution invention iron James Watt labour Lectures length lever light machine Magazine magnetic manner matter means Mechanical Philosophy ment metal method mode motion moving nature observed operation paddles patent philosopher Phrenology piece pipe piston plate pounds present pressure principle produce pump quantity render river Clyde screw side solution square steam boats steam engine surface tained temperature tion Trongate tube valve vapour velocity vessel Water of Leith Watt weight wheel whole your's
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81 페이지 - Lighter than air, Hope's summer-visions die, If but a fleeting cloud obscure the sky ; If but a beam of sober Reason play, Lo, Fancy's fairy frost-work melts away ! But can the wiles of Art, the grasp of Power, Snatch the rich relics of a well-spent hour? These, when the trembling spirit wings her flight, Pour round her path a stream of living light, And gild those pure and perfect realms of rest Where Virtue triumphs and her sons are blest...
331 페이지 - An admirable and most forcible way to drive up water by fire, not by drawing or sucking it upwards, for that must be as the philosopher calleth it, Intra sphceram activitatis, which is but at such a distance. But this way hath no bounder if the vessels be strong enough...
150 페이지 - Bequeathed by bleeding Sire to Son, Though baffled oft is ever won. Bear witness, Greece, thy living page, Attest it many a deathless age ! While kings, in dusty darkness hid, Have left a nameless pyramid, Thy heroes, though the general doom Hath swept the column from their tomb, A mightier monument command, The mountains of their native land ! There points thy Muse to stranger's eye The graves of those that cannot die...
360 페이지 - Thirdly. Whatever air or other elastic vapour is not condensed by the cold of the condenser, and may impede the working of the engine, is to be drawn out of the steam vessels or condensers by means of pumps, wrought by the engines themselves, or otherwise.
338 페이지 - I have seen the water run like a constant fountain stream forty feet high ; one vessel of water rarefied by fire driveth up forty of cold water. And a man that tends the work is but to turn two cocks, that one vessel of water being consumed, another begins to force and re-fill with cold water, and so successively, the fire being tended and kept constant, which the self-same person may likewise abundantly perform in the interim between the necessity of turning the said cocks.
6 페이지 - Yard when compared with a pendulum vibrating seconds of mean time, in the latitude of London, in a vacuum at the level of the sea...
360 페이지 - I intend, in many cases, to employ the expansive force of steam to press on the pistons, or whatever may be used instead of them, in the same manner as the pressure of the atmosphere is now employed in common...
457 페이지 - I have shown that chemical attractions may be exalted, modified, or destroyed, by changes in the electrical states of bodies; that substances will only combine when they are in different electrical states; and that, by bringing a body naturally positive artificially into a negative state, its usual powers of combination are altogether destroyed...
13 페이지 - Lancashire, where it was manufactured into yarn; from Manchester it was sent to Paisley, where it was woven; it was sent to Ayrshire next, where it was tamboured...
360 페이지 - In engines that are to be worked wholly or partially by condensation of steam, the steam is to be condensed in vessels distinct from the...