Glasgow Mechanics' Magazine, and Annals of Philosophy, Volumen2W.R. M'Phun., 1825 |
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Página 6
... inches to thirty - nine inches , and one thousand three hundred and ninety - three ten - thou- sandth parts of an inch ; be it therefore enac- ted and declared , That if at any time here- after the said imperial standard yard shall be ...
... inches to thirty - nine inches , and one thousand three hundred and ninety - three ten - thou- sandth parts of an inch ; be it therefore enac- ted and declared , That if at any time here- after the said imperial standard yard shall be ...
Página 21
... inches in diameter , ex- tending downward as low as the keel , and upward above the water - line when the vessel is loaded . This pipe must be so bent at the bottom as that its orifice may be directly opposed to the line of the ship's ...
... inches in diameter , ex- tending downward as low as the keel , and upward above the water - line when the vessel is loaded . This pipe must be so bent at the bottom as that its orifice may be directly opposed to the line of the ship's ...
Página 23
... inches thick . The logs are bolted to- gether so as to form a square frame , con- sisting of two parallel frames . The separate frames are connected by ropes or chain cables , secured to anchors or mooring blocks . The height of these ...
... inches thick . The logs are bolted to- gether so as to form a square frame , con- sisting of two parallel frames . The separate frames are connected by ropes or chain cables , secured to anchors or mooring blocks . The height of these ...
Página 25
... inches and the altitude 6 inches , how much water will run over ? A HAMILTONIAN . Hamilton , March 29 , 1824 . 2. Are flowers which are kept in a bed - room hurtful to the health of the per- son who occupies it ? -and , if so , what is ...
... inches and the altitude 6 inches , how much water will run over ? A HAMILTONIAN . Hamilton , March 29 , 1824 . 2. Are flowers which are kept in a bed - room hurtful to the health of the per- son who occupies it ? -and , if so , what is ...
Página 26
... inch , no water will issue at the opening . The reason assigned for this , we are unable to comprehend , or to render ... inches long , lifted a nail weighing 186 grains ; but when two bars of iron were used , the wire lifted 826 grains ...
... inch , no water will issue at the opening . The reason assigned for this , we are unable to comprehend , or to render ... inches long , lifted a nail weighing 186 grains ; but when two bars of iron were used , the wire lifted 826 grains ...
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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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Página 81 - 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...
Página 331 - 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...
Página 150 - 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...
Página 360 - 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.
Página 338 - 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.
Página 6 - 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...
Página 360 - 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...
Página 457 - 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...
Página 13 - 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...
Página 360 - 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...