Stories of Inventors and Discoverers in Science and the Useful Arts ...Kent, 1860 - 376 Seiten |
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Seite 13
... Speculum humana Salvationis , of very rude wooden characters , proceeded from the Harlem press before any other that is generally re- cognised . Whether movable wooden characters were ever em- ployed in any entire work is very ...
... Speculum humana Salvationis , of very rude wooden characters , proceeded from the Harlem press before any other that is generally re- cognised . Whether movable wooden characters were ever em- ployed in any entire work is very ...
Seite 151
... speculum within the tube , by which the rays proceeding from the object are reflected to the eye . Newton accordingly set about executing another reflecting telescope with his own hands . This consisted of a concave me- tallic speculum ...
... speculum within the tube , by which the rays proceeding from the object are reflected to the eye . Newton accordingly set about executing another reflecting telescope with his own hands . This consisted of a concave me- tallic speculum ...
Seite 159
... speculum about six inches in diameter , and its focal length was 5 feet 2 inches . Its plane speculum was made of the same metal , about the 15th of an inch thick ; and it had six eye - pieces , three convex lenses , 1-3d , 3-10ths ...
... speculum about six inches in diameter , and its focal length was 5 feet 2 inches . Its plane speculum was made of the same metal , about the 15th of an inch thick ; and it had six eye - pieces , three convex lenses , 1-3d , 3-10ths ...
Seite 163
... speculum three feet in diameter ; but as it was cracked in the operation of anneal- ing , and as another of the same size was lost in the fire from a failure in the furnace , his hopes were disappointed . This double accident , however ...
... speculum three feet in diameter ; but as it was cracked in the operation of anneal- ing , and as another of the same size was lost in the fire from a failure in the furnace , his hopes were disappointed . This double accident , however ...
Seite 164
... speculum , which was uniform in every part , was 3 inches , and its weight nearly 2118 pounds ; the metal being com- posed of 32 copper , and 107 of tin . The speculum , when not in use , was preserved from damp by a tin cover , fitted ...
... speculum , which was uniform in every part , was 3 inches , and its weight nearly 2118 pounds ; the metal being com- posed of 32 copper , and 107 of tin . The speculum , when not in use , was preserved from damp by a tin cover , fitted ...
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apparatus appears applied Archimedes Automaton Bacon balloon bell Bridge Brunel canal century cloth CO.'S CATALOGUE coloured constructed contrivance Crompton Crown 8vo cylinder diameter discovery Diving-bell early Edition electric Electric Telegraph employed engine England Engravings exhibited experiments feet figure fire FLEET STREET Galileo genius George George Stephenson GERALD MASSEY gilt glass Gunpowder Gutta Percha Herschel Illustrated improved inches instrument invention inventor iron John John Lombe KENT AND CO.'S labour light locomotive London Lord machine machinery magnetic manufacture Marquis means mechanical ment metal miles mill morocco motion natural Navigation observed Palissy Paracelsus Paris patent philosopher pieces placed planet Plates principle printed produced Railway Reflecting Telescope Robert Stephenson Roger Bacon Royal Society Safety-Lamp Samuel Crompton says screw ship silk speculum Spinning steam steam-boat steam-engine Stephenson success Telegraph telescope Thames Tunnel tion tube vessel Watt Watt's weight wheels WORKS-Continued
Beliebte Passagen
Seite 90 - ... of business; it has enabled man to descend to the depths of the sea, to soar into the air, to penetrate securely into the noxious recesses of the earth, to traverse the land in cars which whirl along without horses, and the ocean in ships which run ten knots an hour against the wind; These are but a part of its fruits, and of its first fruits.
Seite 144 - He scarce had ceased, when the superior fiend Was moving toward the shore: his ponderous shield, Ethereal temper, massy, large, and round, Behind him cast; the broad circumference Hung on his shoulders like the moon, whose orb Through optic glass the Tuscan artist views, At evening, from the top of Fesole, Or in Valdarno, to descry new lands, Rivers, or mountains, in her spotty globe.
Seite 291 - We should 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.
Seite 90 - ... to be resisted, and serious dangers to be braved. In his will he expressed with singular brevity, energy...
Seite 319 - Since this work was printed off, I have seen a substance excellently adapted to the purpose of wiping from paper the marks of a black-lead pencil.
Seite 205 - Not to perpetuate a name Which must endure while the peaceful arts flourish. But to show That mankind have learnt to honour 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...
Seite 145 - Galileo, when, first raising the newly constructed telescope to the heavens, he saw fulfilled the grand prophecy of Copernicus, and beheld the planet Venus crescent like the moon. It was such another moment as that when the immortal printers of Mentz and...
Seite 88 - Aristotle; not for the worthlessness of the author, to whom he would ever ascribe all high attributes, but for the unfruitfulness of the way; being a philosophy (as his lordship used to say) only strong for disputations and contentions, but barren of the production of works for the benefit of the life of man; in which mind he continued to his dying day.
Seite 89 - The great apostle of experimental philosophy was destined to be its martyr. It had occurred to him that snow might be used with advantage for the purpose of preventing animal substances from putrefying. On a very cold day, early in the spring of the year 1626, he alighted from his coach near Highgale, in order to try the experiment.