The Steam Engine: Its Origin and Gradual Improvement, from the Time of Hero to the Present Day; as Adapted to Manufactures, Locomotion and Navigation, Volume 1D. Appleton & Company, 1840 - 254 pages |
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Page 18
... 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 refill with cold ...
... 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 refill with cold ...
Page 20
... feet , or 1,250 lbs . of water one foot , by one pound of coals , being about the 200th part of the effect of good modern engines . The Marquis declares , in his title page , that he has " tried and perfected " the extraordinary ...
... feet , or 1,250 lbs . of water one foot , by one pound of coals , being about the 200th part of the effect of good modern engines . The Marquis declares , in his title page , that he has " tried and perfected " the extraordinary ...
Page 21
... feet , by the power of one man only , and , in a very short space of time , will draw up four vessels of water through a tube or channel not more than a span in width . " We think we may now dismiss his lordship , with the ac ...
... feet , by the power of one man only , and , in a very short space of time , will draw up four vessels of water through a tube or channel not more than a span in width . " We think we may now dismiss his lordship , with the ac ...
Page 22
... feet . Depth in feet . raised , in pounds . 1 2 15 234 4 120 6 405 8 960 5 10 1875 6 12 3240 The table is extended to show the amount of water that can be raised by any number ( from 1 to 90 ) of the largest of the above cylinders ...
... feet . Depth in feet . raised , in pounds . 1 2 15 234 4 120 6 405 8 960 5 10 1875 6 12 3240 The table is extended to show the amount of water that can be raised by any number ( from 1 to 90 ) of the largest of the above cylinders ...
Page 24
... feet ; and on the steam being let into the vessels again , the valve b closed , and prevented the descent of the water ; while the steam , having acquired force in the boiler , its pressure caused the water to raise the valve a , and ...
... feet ; and on the steam being let into the vessels again , the valve b closed , and prevented the descent of the water ; while the steam , having acquired force in the boiler , its pressure caused the water to raise the valve a , and ...
Autres éditions - Tout afficher
The Steam Engine, Its Origin and Gradual Improvement, from the Time of Hero ... Paul Rapsey Hodge Affichage du livre entier - 1840 |
The Steam Engine: Its Origin and Gradual Improvement, from the ..., Volume 1 Paul Rapsey Hodge Affichage du livre entier - 1840 |
The Steam Engine: Its Origin and Gradual Improvement, from the Time of Hero ... P. R. Hodge Aucun aperçu disponible - 2017 |
Expressions et termes fréquents
air-pump applied arrangement atmospheric engine attached beam boats boiler Bolton bolts bottom calculations camb centre chimney cistern coal cock condenser connecting rod connecting-rod construction crank cross-head cubic feet cut-off cylinder DIAG Diam diameter dimensions driving wheels eccentric elastic force elevation entablature equal expansive experiments fire grate flanges flues fly-wheel foot high force of steam friction fuel heat horse power improved inches of mercury invention iron Length of stroke lever load locomotive engine machine mean effective pressure means mercury method miles per hour motion nearly New-York paddle wheel patent pipe piston piston-rod PLATE poppet valve pounds pump purpose quantity radius raising water revolutions per minute rule safety valve shaft showing slide socket speed spindle square inch steam engine Steamboat strokes per minute surface temperature tion tube vacuum valve-case vapour velocity versed sine vessel Watt Watt's weight
Fréquemment cités
Page 50 - I mentioned it to my friend Dr. Black, who then explained to me his doctrine of latent heat, which he had taught for some time before this period, (summer 1764,) but having myself been occupied with the pursuits of business, if I had heard of it, I had not attended to it, when I thus stumbled upon one of the material facts by which that beautiful theory is supported.
Page 33 - A Description and Draught of a new-invented Machine, for carrying Vessels or Ships out of, or into, any Harbour, Port, or River, against Wind and Tide, or in a calm.
Page 18 - ... which is but at such a distance. But this way hath no bounder, if the vessels be strong enough ; for I have taken a piece of a whole cannon, whereof the end was burst, and filled it three...
Page 18 - 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 refill 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.
Page 54 - Fourthly, 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...
Page 53 - My method of lessening the consumption of steam, and consequently fuel in fire engines, consists of the following principles : first, that vessel in which the powers of steam are to be employed to work the engine, which is called the cylinder in common fire engines, and which I call the steam vessel, must, during the whole time the engine is at work, be kept as hot as the steam...
Page 18 - 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, infra spheeram activitatis, which is but at such a distance. But this way hath no bounder, if the vessels be strong enough ; for I have taken a piece of a whole cannon, whereof the end was burst, and filled it...
Page 53 - I call the steam vessel, must, during the whole time the engine is at work, be kept as hot as the steam that enters it; first by enclosing it in a case of wood, or any other materials that transmit heat slowly; secondly, by surrounding it with steam or other heated...
Page 77 - The time will come when people will travel in stages, moved by steam engines, from one city to another, almost as fast as birds fly, fifteen or twenty miles an hour.
Page 21 - Marquis of Worcester. It raises water more than forty geometrical feet, by the power of one man only; and in a very short space of time will draw up four vessels of water through a tube or channel not more than a span in width...