The Chronicles of America Series, Volume 371921 |
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Page 10
... produced mimic flashes of lightning , gave shocks on touching or kissing , and caused an artificial spider to move mysteriously . Franklin carried on experiments with the Leyden jar , made an electrical battery , killed a fowl and ...
... produced mimic flashes of lightning , gave shocks on touching or kissing , and caused an artificial spider to move mysteriously . Franklin carried on experiments with the Leyden jar , made an electrical battery , killed a fowl and ...
Page 22
... produced . Thus the old philosopher felt the thrill of dawn and knew that the day of great mechanical inventions was at hand . He had read the meaning of the puffing of the young steam engine of James Watt and he had heard of a ...
... produced . Thus the old philosopher felt the thrill of dawn and knew that the day of great mechanical inventions was at hand . He had read the meaning of the puffing of the young steam engine of James Watt and he had heard of a ...
Page 25
... produced iron enough for its simple needs , some coal , copper , lead , gold , silver , and sulphur . But we may say that mining was hardly practiced at all . The fisheries and the shipyards were great sources of wealth , especially for ...
... produced iron enough for its simple needs , some coal , copper , lead , gold , silver , and sulphur . But we may say that mining was hardly practiced at all . The fisheries and the shipyards were great sources of wealth , especially for ...
Page 28
... and in the manufacture of glass , was made by leaching wood ashes and boiling down the lye . To produce a ton of potash , the trees on an acre of ground would be cut down and burned , the ashes leached , and 28 THE AGE OF INVENTION.
... and in the manufacture of glass , was made by leaching wood ashes and boiling down the lye . To produce a ton of potash , the trees on an acre of ground would be cut down and burned , the ashes leached , and 28 THE AGE OF INVENTION.
Page 32
... produce . Alexander the Great introduced the " vegetable wool " into Europe . The fable of the " vegetable lamb of Tartary " persisted almost down to modern times . The Moors cultivated cotton in Spain on an extensive scale , but after ...
... produce . Alexander the Great introduced the " vegetable wool " into Europe . The fable of the " vegetable lamb of Tartary " persisted almost down to modern times . The Moors cultivated cotton in Spain on an extensive scale , but after ...
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