The Chronicles of America Series, Volume 371921 |
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... a photograph . SAMUEL PIERPONT LANGLEY Photograph made in 1890 , by Smilley . In the National Museum , Washington . Facing page 144 66 66 176 66 66 192 66 66 240 THE AGE OF INVENTION CHAPTER I BENJAMIN FRANKLIN AND HIS xii ILLUSTRATIONS.
... a photograph . SAMUEL PIERPONT LANGLEY Photograph made in 1890 , by Smilley . In the National Museum , Washington . Facing page 144 66 66 176 66 66 192 66 66 240 THE AGE OF INVENTION CHAPTER I BENJAMIN FRANKLIN AND HIS xii ILLUSTRATIONS.
Page 225
... Langley and Maxim , who studied the wing motions of birds and insects , not in fear but in the light and confidence of advancing science . Crudely outlined by some ancient Egyptian sculptor , a winged human figure broods upon the tomb ...
... Langley and Maxim , who studied the wing motions of birds and insects , not in fear but in the light and confidence of advancing science . Crudely outlined by some ancient Egyptian sculptor , a winged human figure broods upon the tomb ...
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... us , had asked himself that question , which he was later to answer . Langley , born in Roxbury , Massachusetts , in 1834 , was another link ― in the chain of distinguished inventors who first saw THE CONQUEST OF THE AIR 229.
... us , had asked himself that question , which he was later to answer . Langley , born in Roxbury , Massachusetts , in 1834 , was another link ― in the chain of distinguished inventors who first saw THE CONQUEST OF THE AIR 229.
Page 230
... Langley , as in some of his brother New England inventors , the later flowering of the Puri- tan ideal stripped of its husk of superstition and harshness a high sense of duty and of integrity , an intense conviction that the reason for ...
... Langley , as in some of his brother New England inventors , the later flowering of the Puri- tan ideal stripped of its husk of superstition and harshness a high sense of duty and of integrity , an intense conviction that the reason for ...
Page 231
... again , and to ask myself whether the problem of artificial flight was as hopeless and as absurd as it was then thought to be . · • • In three or four years Langley made nearly forty models THE CONQUEST OF THE AIR 231.
... again , and to ask myself whether the problem of artificial flight was as hopeless and as absurd as it was then thought to be . · • • In three or four years Langley made nearly forty models THE CONQUEST OF THE AIR 231.
Expressions et termes fréquents
afterwards Albany American balloon became began Benjamin Franklin better boat Boston Boulton and Watt brothers built Canal CHAPTER Charles Goodyear chine Clermont cloth colonies Colt Congress cotton gin Curtiss discovery Dwight Goddard dynamo early Edison electricity Eli Whitney England experiments factory farm father flying Haven Henry Howe's hundred idea improved industry invention inventor James Watt John Stevens labor Langley later light Livingston locomotive London Lowell machinery manufacture mechanical ment miles Miller mills Morse motor newspapers Oliver Evans partners Patent Act Pennsylvania Philadelphia ploughs practical principle printing produced profits railway reaper Robert Fulton rubber Samuel Samuel Colt SAMUEL F. B. MORSE says sewing machine sold soon South spinning steam engine steamboat story success telegraph thousand dollars tion took turn United Washington Whitney's wings wire Wright York young