A History of the Growth of the Steam-engine, Parts 1-2

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D. Appleton, 1878 - 490 pāgines
 

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Continguts

I
1
II
55
III
79
IV
144
V
221
VI
303
VII
419
VIII
457
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Passatges populars

Pāgina 418 - Soon shall thy arm, unconquered Steam, afar Drag the slow barge, or drive the rapid car ; Or, on wide-waving wings expanded bear The flying chariot through the fields of air...
Pāgina 193 - What can be more palpably absurd and ridiculous than the prospect held out of locomotives travelling twice as fast as stage-coaches! We would as soon expect the people of Woolwich to suffer themselves to be fired off upon one of Congreve's ricochet rockets, as trust themselves to the mercy of such a machine going at such a rate.
Pāgina 100 - 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 fire engines. In cases where cold water cannot be had in plenty, the engines may be wrought by this force of steam only, by discharging the steam into the open air, after it has done its office.
Pāgina 303 - ... comes the potent agency of steam. In comparison with the past, what centuries of improvement has this single agent comprised, in the short compass of fifty years ! Everywhere practicable, everywhere efficient, it has an arm a thousand times stronger than that of Hercules, and to which human ingenuity is capable of fitting a thousand times as many hands as belonged to Briareus. Steam is found in triumphant operation on the seas ; and under the influence of its strong propulsion, the ..gallant...
Pāgina 100 - 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...
Pāgina 131 - THOSE WHO BEST DESERVE THEIR GRATITUDE, THE KING HIS MINISTERS, AND MANY OF THE NOBLES AND COMMONERS OF THE REALM RAISED THIS MONUMENT TO JAMES WATT, WHO DIRECTING THE FORCE OF AN ORIGINAL GENIUS, EARLY EXERCISED IN PHILOSOPHIC RESEARCH TO THE IMPROVEMENT OF THE...
Pāgina 156 - 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.
Pāgina 303 - It is on the rivers, and the boatman may -repose on his oars; it is in highways, and begins to exert itself along the courses of land conveyance; it is at the bottom of mines, a thousand feet below the earth's surface ; it is in the mill, and in the workshops of the trades. It rows, it pumps, it excavates, it carries, it draws, it lifts, it hammers, it spins, it weaves, it prints.
Pāgina 101 - ... the valves successively to give a circular motion to the wheel; the valves opening in the direction in which the weights are pressed, but not in the contrary. As the...

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