Memoirs of the Most Eminent American Mechanics: Also Lives of Distinguished European Mechanics, Together with a Collection of Anecdotes, Descriptions, Etc. Etc. Relating to the Mechanic ArtsJ. C. Derby, 1856 - 482 páginas |
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Página 10
... important Discoveries 426 Invention of the Safety Lamp 427 The Thames Tunnel 428 Watchmaking in Switzerland 441 Perpetual Motion 445 The Balsa . 448 AUTOMATA 449 Mechanical Automata of the Ancients 450 Automata of Dædalus . 450 Wooden ...
... important Discoveries 426 Invention of the Safety Lamp 427 The Thames Tunnel 428 Watchmaking in Switzerland 441 Perpetual Motion 445 The Balsa . 448 AUTOMATA 449 Mechanical Automata of the Ancients 450 Automata of Dædalus . 450 Wooden ...
Página 54
... important part in civil affairs than any he had yet acted was in reserve for him . He lived to attract to himself on the theatre of politics , the eyes , not of his own countrymen only , but of the whole civilized world ; and to be a ...
... important part in civil affairs than any he had yet acted was in reserve for him . He lived to attract to himself on the theatre of politics , the eyes , not of his own countrymen only , but of the whole civilized world ; and to be a ...
Página 55
... important . In the first place , the list of the substances capable of being excited by friction to a mani- festation of electric virtue , was considerably extended . It was also found that the bodies which had been attracted by the ...
... important . In the first place , the list of the substances capable of being excited by friction to a mani- festation of electric virtue , was considerably extended . It was also found that the bodies which had been attracted by the ...
Página 63
... important scientific fact . In a paper , dated November 7 , 1749 , he enumerates all the known points of resemblance between lightning and electricity . In the first place , he remarks , it is no wonder that the effects of the one ...
... important scientific fact . In a paper , dated November 7 , 1749 , he enumerates all the known points of resemblance between lightning and electricity . In the first place , he remarks , it is no wonder that the effects of the one ...
Página 76
... , which is This was the first applicatica to the important but now common operation of dredging . - American edition of Wood's Treatise on Rail Roads . believed to have been the first application , in America 76 AMERICAN MECHANICS .
... , which is This was the first applicatica to the important but now common operation of dredging . - American edition of Wood's Treatise on Rail Roads . believed to have been the first application , in America 76 AMERICAN MECHANICS .
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Términos y frases comunes
advantage afterwards American appeared applied Arkwright attempt attention boat body brother canal cards carriage carried commenced construction contrivance cotton cotton gin Croton Aqueduct cylinder difficulties early Eddystone lighthouse effect electricity ELI WHITNEY employed employment enabled engaged England erected Evans exhibited expense experiments father feet fire fire-ship Fitch Franklin friends Fulton genius hand honor hour hundred improvements ingenious invention inventor Jaquet Droz John Fitch labor legislature machine machinery manner manufacture means mechanical ment miles mill Miller mind motion move navigation never observed obtained Oliver Evans operation passed patent right perfect perform person Philadelphia pieces piston possessed present produced propelling Richard Arkwright river Robert Fulton says ship Slater soon South Carolina spinning steam engine steamboats success Thames Tunnel thing thousand tion took torpedoes tricity turned vessel wheel Whitney whole workmen York
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Página 404 - About midnight will I go out into the midst of Egypt: and all the firstborn in the land of Egypt shall die, from the firstborn of Pharaoh that sitteth upon his throne, even unto the firstborn of the maidservant that is behind the mill; and all the firstborn of beasts.
Página 44 - I have been the more particular in this description of my journey, and shall be so of my first entry into that city, that you may in your mind compare such unlikely beginnings with the figure I have since made there.
Página 43 - They read it, commented on it in my hearing, and I had the exquisite pleasure of finding it met with their approbation, and that in their different guesses at the author, none were named but men of some character * among us for learning and ingenuity.
Página 51 - We had scarce opened our letters and put our press in order, before George House, an acquaintance of mine, brought a countryman to us, whom he had met in the street inquiring for a printer. All our cash was now expended in the variety of particulars we had been obliged to procure, and this countryman's five shillings, being our first-fruits, and coming so seasonably, gave me more pleasure than any crown I have since earned ; and the gratitude I felt toward House has made me often more ready than...
Página 45 - ... gave the other two to a woman and her child that came down the river in the boat with us, and were waiting to go farther. Thus...
Página 41 - I also sometimes jumbled my collection of hints into confusion, and after some weeks endeavored to reduce them into the best order before I began to form the full sentences and complete the subject. This was to teach me method in the arrangement of the thoughts. By comparing my work with the original, I discovered many faults and corrected them ; but I sometimes had the pleasure to fancy that in certain particulars of small consequence I had been fortunate enough to improve the method or the language,...
Página 293 - Its aliment is coal, wood, charcoal, or other combustible ; it consumes none while idle ; it never tires, and wants no sleep ; it is not subject to malady when originally well made, and only refuses to work when worn out with age ; it is equally active in all climates, and will do work of any kind ; it is a water-pumper, a miner, a sailor, a cotton-spinner, a weaver, a blacksmith, a miller, &c.
Página 143 - The soldier flew, the sailor too, And scared almost to death, sir, Wore out their shoes to spread the news, And ran till out of breath, sir. Now up and down, throughout the town, Most frantic scenes were acted ; And some ran here and others there, Like men almost distracted. Some fire...
Página 45 - I went for a draught of the river water ; and, being filled with one of my rolls, gave the other two to a woman and her child that came down the river in the boat with us, and were waiting to go farther.
Página 41 - I had gone on making verses ; since the continual occasion for words of the same import, but of different length, to suit the measure, or of different sound for the rhyme, would have laid me under a constant necessity of searching for variety, and also have tended to fix that variety in my mind and make me master of it.