Wonderful Inventions: From the Mariner's Compass to the Electric Telegraph CableG. Routledge, 1868 - 400 頁 |
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第 1 到 5 筆結果,共 66 筆
第 xiv 頁
... distance , " 363. - Experiment in Folke- stone harbour , in 1849 , 363. - Brett's Printing Telegraphy , 363. — Lake's Wire covered with Gutta Percha , 364. - Electric Glass Tubes , 364 . Gutta Percha , importance of , 365. - Dover and ...
... distance , " 363. - Experiment in Folke- stone harbour , in 1849 , 363. - Brett's Printing Telegraphy , 363. — Lake's Wire covered with Gutta Percha , 364. - Electric Glass Tubes , 364 . Gutta Percha , importance of , 365. - Dover and ...
第 8 頁
... distances traversed by strokes on a bell , was attached , so as to exhibit a complete dead reckoning . Maurice , in his Indian Antiquities , describes this instrument as a sort of magnetic index , which the Chinese called Chimaus ; a ...
... distances traversed by strokes on a bell , was attached , so as to exhibit a complete dead reckoning . Maurice , in his Indian Antiquities , describes this instrument as a sort of magnetic index , which the Chinese called Chimaus ; a ...
第 12 頁
... distance , the attraction of the adamant will have such force , that all the nails will be drawn out of the sides and bottoms of the ships , and fasten to the mountain , so that your vessels will fall to pieces and sink . " As the word ...
... distance , the attraction of the adamant will have such force , that all the nails will be drawn out of the sides and bottoms of the ships , and fasten to the mountain , so that your vessels will fall to pieces and sink . " As the word ...
第 28 頁
... distance . During storms or foggy weather , the reflector machinery rings two bells , each weighing about 12 cwt . , to warn the seaman of his danger . The cost of this Lighthouse was 60,000l . It is one of the most prominent and ...
... distance . During storms or foggy weather , the reflector machinery rings two bells , each weighing about 12 cwt . , to warn the seaman of his danger . The cost of this Lighthouse was 60,000l . It is one of the most prominent and ...
第 29 頁
... distance , to barracks on the neighbouring island of Tyree ; and also on the Isle of Mull , where the granite for the tower was quarried . Piers had to be built at both places to facilitate the shipment and landing of the materials ...
... distance , to barracks on the neighbouring island of Tyree ; and also on the Isle of Mull , where the granite for the tower was quarried . Piers had to be built at both places to facilitate the shipment and landing of the materials ...
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apparatus applied Atlantic Barometer battery bell boat boiler bottom built cable carried century clepsydra clock Compass condenser constructed contrivance cotton cylinder dial diameter discovery distance EDDYSTONE LIGHTHOUSE Electric Telegraph employed engine England engraved experiments feet fire force four Galileo George Stephenson glass grapnel Gun-Cotton Gunpowder guns gutta-percha heat improvement inches instrument invention inventor iron James Watt John Herschel labour length letters light Lighthouse locomotive London machine machinery magnetic magnifying manufacture Marquis of Worcester means mechanical ment mercury Messrs metal Microscope miles an hour minute motion nearly needle object observed paddle-wheel passed patent piece piston placed plates printed produced propelled rails Railway reflecting Telescope rock rollers rope round Royal screw Screw Propeller ship side Skerryvore speculum steam Steam-engine steamer surface Telescope Thames tion tons tube turned vessel watch Watt weight wheels wire Wynkyn de Worde
熱門章節
第 339 頁 - Canst thou lift up thy voice to the clouds, That abundance of waters may cover thee? Canst thou send lightnings, that they may go, And say unto thee, Here we are?
第 286 頁 - Soon shall thy arm, unconquered Steam, afar Drag the slow barge, or drive the rapid car ; Or, on wide-waving wings expanded bear The flying chariot through the fields of air.
第 148 頁 - Out of the bowels of the harmless earth, Which many a good tall fellow had destroy'd So cowardly ; and but for these vile guns He would himself have been a soldier.
第 3 頁 - Thou hast the starry gems, the burning gold, Won from ten thousand royal Argosies.
第 84 頁 - There it was that I found and visited the famous Galileo, grown old, a prisoner to the Inquisition for thinking in astronomy otherwise than the Franciscan and Dominican licensers thought.
第 114 頁 - The wind goeth toward the south, and turneth about unto the north; it whirleth about continually, and the wind returneth again according to his circuits.
第 196 頁 - ... stopping and screwing up the broken end ; as also the touch-hole, and making a constant fire under it ; within twenty-four hours it burst and made a great crack.
第 113 頁 - ... of creation which sweep immeasurably along, and carry the impress of the Almighty's hand to the remotest scenes of the universe.
第 112 頁 - The other teaches me that every grain of sand may harbour within it the tribes and the families of a busy population. The one told me of the insignificance of the world I tread upon. The other redeems it from all its insignificance ; for it tells me that in the leaves of every forest, and in the flowers of every garden, and in the waters of every rivulet, there are worlds teeming with life, and numberless as are the glories of the firmament.
第 18 頁 - The variation, therefore, was not caused by any fallacy in the Compass, but by the movement of the north star itself, which, like the other heavenly bodies, had its changes and revolutions, and every day described a circle round the pole.