A History of Wonderful Inventions, Bind 1–2Harper & brothers, 1849 |
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Side 4
... coal into steam : - " A pint of water , " he informs us , ' may be evaporated by two ounces of coals . In its evaporation it swells into two hundred and sixteen gallons of steam , with a mechanical force sufficient to raise a weight of ...
... coal into steam : - " A pint of water , " he informs us , ' may be evaporated by two ounces of coals . In its evaporation it swells into two hundred and sixteen gallons of steam , with a mechanical force sufficient to raise a weight of ...
Side 5
... coals are there made to do more work than elsewhere . A bushel of coals usually raises forty thousand tons of water a foot high ; but it has on some occa- sions raised sixty thousand tons the same height . Let us take its labour at ...
... coals are there made to do more work than elsewhere . A bushel of coals usually raises forty thousand tons of water a foot high ; but it has on some occa- sions raised sixty thousand tons the same height . Let us take its labour at ...
Side 6
... coals conse- quently , as used in Cornwall , performs as much labour as a day's work of one hundred such horses . " The great pyramid of Egypt stands upon a base measuring seven hundred feet each way , and is five hundred feet high ...
... coals conse- quently , as used in Cornwall , performs as much labour as a day's work of one hundred such horses . " The great pyramid of Egypt stands upon a base measuring seven hundred feet each way , and is five hundred feet high ...
Side 34
... least 20,000 cubic feet of water twenty - four feet high with each hundredweight of coals burnt . " When all this is done , a fair and candid comparison shall be made between it , and your own engine 34 WONDERFUL INVENTIONS .
... least 20,000 cubic feet of water twenty - four feet high with each hundredweight of coals burnt . " When all this is done , a fair and candid comparison shall be made between it , and your own engine 34 WONDERFUL INVENTIONS .
Side 35
... coals delivered under the boiler , and you shall annually pay us that sum , during twenty - five years from the day ... coal . If you compare our engine with the common engine ( not in size , but in power ) , you will find the original ...
... coals delivered under the boiler , and you shall annually pay us that sum , during twenty - five years from the day ... coal . If you compare our engine with the common engine ( not in size , but in power ) , you will find the original ...
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Almindelige termer og sætninger
afterwards Anthemius appears application Arkwright ascertain atmosphere ball beautiful became boat boiler brought called century clock coal colours common compass condenser construction contrived convex cotton cylinder Dalswinton direction discovered discovery distance earth EDDYSTONE LIGHTHOUSE effect electric telegraph employed engaged engine England EVANGELISTA TORRICELLI experiments feet fire force formed four Galileo gasometer glass gunpowder Guttenberg hand heat Hero of Alexandria Holyhead horse hour hundred immense improvement inches instrument invention inventor iron Julius Cæsar labour length lens lenses letters light London machine magnetic Marquis of Worcester means mercury Messrs microscope miles moved needle object observed obtained opened pass patent philosopher piece pipe piston placed present principle printing produced purpose railway reflecting telescope rendered rollers round ship side Soho Foundry steam steam-engine surface telegraph telescope thermometer thousand threads tion tons tube turned upwards vessel warp Watt weft weight wheel wire yarn
Populære passager
Side 20 - 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.
Side 106 - Achromatic Lenses. The color effect caused by the chromatic aberration of a simple lens greatly impairs its usefulness.
Side 12 - ... which is but at such a distance. But this way hath no bounder, if the vessels be strong enough ; for I have taken a piece of a whole cannon, whereof the end was burst, and filled it...
Side 48 - There was exhibited on it a negro, a shepherd, and a dog. When the clock struck, the shepherd played six tunes on his flute, and the dog approached and fawned upon him. This clock was exhibited to the king of Spain, who was greatly delighted with it. " The gentleness of my dog," said Droz,
Side 12 - An admirable and most forcible way to drive up water by fire, not by drawing or sucking it upwards, for that must be as the philosopher calleth it, infra spheeram activitatis, which is but at such a distance. But this way hath no bounder, if the vessels be strong enough...
Side 54 - Faust was so pleased with the contrivance, that he promised Peter to give him his only daughter Christina in marriage, a promise which he soon after performed. But there were as many difficulties at first with these letters, as there had been before with...
Side 77 - As I had occasion to pass daily to and from the building-yard while my boat was in progress, I have often loitered unknown near the idle groups of strangers, gathering in little circles, and heard various inquiries as to the object of this new vehicle. The language was uniformly that of scorn, or sneer, or ridicule. The loud laugh often rose at my expense ; the ' dry jest ; the wise calculations of losses and expenditures ; the dull but endless repetition of the Fulton Folly.
Side 12 - I have seen the water run like a constant fountain stream, forty feet high ; one vessel of water, rarified by fire, driveth up forty of cold water. And a man that tends the work is but to turn two cocks, that one vessel of water being consumed, another begins to force and refill with cold water, and so successively, the fire being tended and kept constant, which the self-same person may likewise abundantly perform in the interim, between the necessity of turning the said cocks.
Side 93 - The manner of the carriage is, by laying rails of timber from the colliery to the river, exactly straight and parallel ; and bulky carts are made with four rollers fitting those rails, whereby the carriage is so easy that one horse will draw down four or five chaldron of coals, and is an immense benefit to the coal merchants.
Side 78 - The man who, while he looked on the expensive machine. thanked his stars that he had more wisdom than to waste his money on such idle schemes, changed the expression of his features as the boat moved from the wharf and gained her speed; his complacent smile gradually stiffened into an expression of wonder.