Memoirs of the Most Eminent American Mechanics: Also Lives of Distinguished European Mechanics ...Derby & Jackson, 1858 - 482 страници |
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Страница 29
... constructed a boat of about one hundred tons burden , and pushed forward his machinery so near to the point of completion , as to be able to indi- cate a day not very distant for a public exhibition , when his sudden death occurred from ...
... constructed a boat of about one hundred tons burden , and pushed forward his machinery so near to the point of completion , as to be able to indi- cate a day not very distant for a public exhibition , when his sudden death occurred from ...
Страница 59
... constructed the general outlines of his theory . Every body in nature he considered to have its natural quantity of electricity , which may , however , be either diminished , by part of it being given out to another body , as that of ...
... constructed the general outlines of his theory . Every body in nature he considered to have its natural quantity of electricity , which may , however , be either diminished , by part of it being given out to another body , as that of ...
Страница 73
... construct one for him . It was soon put into operation in presence of the neighboring millers ; and though the elevators and conveyors , without the aid of human hands , brought the meal from the two pair of stones , and the tail ...
... construct one for him . It was soon put into operation in presence of the neighboring millers ; and though the elevators and conveyors , without the aid of human hands , brought the meal from the two pair of stones , and the tail ...
Страница 74
... construct a steam carriage at his own expense . Previous to commencing he explained his views to Ro- bert Patterson , professor of mathematics in the University of Penn- sylvania , and to an eminent English engineer . They both de- I ...
... construct a steam carriage at his own expense . Previous to commencing he explained his views to Ro- bert Patterson , professor of mathematics in the University of Penn- sylvania , and to an eminent English engineer . They both de- I ...
Страница 76
... constructed at his works , situated a mile and a half from the water , a machine for cleaning docks . * It consisted of a large flat or scow , with a steam engine of the power of five horses on board , to work machinery , in raising the ...
... constructed at his works , situated a mile and a half from the water , a machine for cleaning docks . * It consisted of a large flat or scow , with a steam engine of the power of five horses on board , to work machinery , in raising the ...
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Страница 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.
Страница 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.
Страница 45 - Thus I went up Market Street as far as Fourth Street, passing by the door of Mr. Read, my future wife's father; when she, standing at the door, saw me, and thought I made, as I certainly did, a most awkward, ridiculous appearance.
Страница 54 - ... year's instruction in a Latin school, and that when very young, after which I neglected that language entirely. But when I had attained an acquaintance with the French, Italian, and Spanish, I was...
Страница 45 - ... my future wife's father; when she, standing at the door, saw me, and thought I made, as I certainly did, a most awkward, ridiculous appearance. Then I turned and went down Chestnut Street and part of Walnut...
Страница 125 - Twas early day, as poets say, Just when the sun was rising, A soldier stood on a log of wood, And saw a thing surprising. As in amaze he stood to gaze, The truth can't be denied, sir, He spied a score of kegs or more Come floating down the tide, sir. A sailor, too, in jerkin blue, This strange...
Страница 279 - ... had been that which he had been last occupied in studying and exhausting ; such was the copiousness, the precision, and the admirable clearness of the information which he poured out upon it without effort or hesitation. Nor was this promptitude and compass of knowledge confined in any degree to the studies connected with his ordinary pursuits. That he should have been minutely and extensively skilled in chemistry and the...
Страница 275 - It regulates with perfect accuracy and uniformity the number of its strokes in a given time, counting or recording them, moreover, to tell how much work it has done, as a clock records the beats of its pendulum ; it regulates the quantity of steam admitted to work, the briskness of the fire, the supply of water to the boiler, the supply of coals to the fire ; it opens and shuts its valves with absolute precision as to time and manner ; it oils its joints ; it takes out any air which may accidentally...
Страница 45 - I walked again up the street, which by this time had many clean-dressed people in it, who were all walking the same way. I joined them, and thereby was led into the great...
Страница 66 - Without my having made any application for that honor, they chose me a member, and voted that I should be excus'd the customary payments, which would have amounted to twenty-five guineas; and ever since have given me their Transactions gratis. They also presented me with the gold medal of Sir Godfrey Copley...