The Engineer's and Mechanic's Encyclopædia: Comprehending Practical Illustrations of the Machinery and Processes Employed in Every Description of Manufacuture of the British Empire, Volume 2Kelly, 1835 |
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Page 39
... pressure shall be equivalent to the pressure of the column of mercury . From the foregoing description , it will be seen that the columns of oil and of mercury always maintain their respective heights , and the supply of oil to the ...
... pressure shall be equivalent to the pressure of the column of mercury . From the foregoing description , it will be seen that the columns of oil and of mercury always maintain their respective heights , and the supply of oil to the ...
Page 59
... pressure equal to twelve thousand feet of water it began to swell , and with fourteen thousand feet , or six hundred pounds on the square inch , it burst . When measured after the experiment it was found to have swelled until of a ...
... pressure equal to twelve thousand feet of water it began to swell , and with fourteen thousand feet , or six hundred pounds on the square inch , it burst . When measured after the experiment it was found to have swelled until of a ...
Page 62
... pressure . The first of these attempts was made by Mr. Francis Gibbon Spils- bury , of Walsall , in Staffordshire , who took out a patent for his process in 1824 , which he thus describes in his specification : - " My invention consists ...
... pressure . The first of these attempts was made by Mr. Francis Gibbon Spils- bury , of Walsall , in Staffordshire , who took out a patent for his process in 1824 , which he thus describes in his specification : - " My invention consists ...
Page 63
... pressure intended to be given ; f is the exit pipe , through which the air escapes when the liquor is running down through the pipe e ; g is a cock for the purpose of discharging from between the skins . " Shortly after Mr. Spilsbury ...
... pressure intended to be given ; f is the exit pipe , through which the air escapes when the liquor is running down through the pipe e ; g is a cock for the purpose of discharging from between the skins . " Shortly after Mr. Spilsbury ...
Page 71
... pressure should be uniform over the whole surface . By this arrrangement it will be observed , that the upper portion of the skin is the uneven one , and that the lower portion is the perfect skin , smooth , and uniform in all its parts ...
... pressure should be uniform over the whole surface . By this arrrangement it will be observed , that the upper portion of the skin is the uneven one , and that the lower portion is the perfect skin , smooth , and uniform in all its parts ...
Autres éditions - Tout afficher
The Engineer's and Mechanic's Encyclopædia: Comprehending ..., Volume 2 Luke Hebert Affichage du livre entier - 1836 |
The Engineer's and Mechanic's Encyclopædia: Comprehending ..., Volume 2 Luke Hebert Affichage du livre entier - 1836 |
The Engineer's and Mechanic's Encyclopædia: Comprehending Practical ... Luke Hebert Affichage du livre entier - 1846 |
Expressions et termes fréquents
acid antimony apparatus applied axis axle bars boiler bolts bottom carbonic acid carriage cast-iron centre circular colour common condensed consists construction contrivance copper crank cupel cylinder described diameter distance drawing edge edge-rails effect elasticity employed engine equal feet fixed force frame friction furnace grooves heat hole horizontal improvements inches inclined plane invention iron kind laid length letters patent lever lime litharge locomotive machine machinery manner means metal miles mode motion mould nitric acid obtained operation paper pass patent phosphorus piece pipe piston piston rod placed plate potash pressure produced proper pulley pump purpose quantity rails railway render reverberatory furnace revolving road rollers round screw seed-lac shaft side silver skin specific gravity steam stone substance surface thick tube turned turpentine upper usually valve varnish velocity vertical vessel waggons weight wheels wire wood
Fréquemment cités
Page 120 - These are usually accounted six in number, viz. the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw.
Page 266 - Making of any manner of new Manufactures within this Realm, to the true and first Inventor and Inventors of such Manufactures, which others at the Time of Making such Letters Patents and Grants shall not use, so as also they be not contrary to the Law, nor mischievous to the State, by raising Prices of Commodities at home, or Hurt of Trade, or generally inconvenient...
Page 137 - Great Circle of the Earth. An inch is the smallest lineal measure to which a name is given, but subdivisions are used for many purposes. Among mechanics, the inch is commonly divided into eighths. By the officers of the revenue and by scientific persons it is divided into tenths, hundredths, &c.
Page 265 - ... any declaration before mentioned shall not extend to any letters patent and grants of privilege for the term of fourteen years or under, hereafter to be made of the sole working or making of any manner of new manufactures within this Realm, to the true and first inventor and inventors of such manufactures, which others at the time of making such letters patents and grants shall not use...
Page 690 - I have taken a piece of a whole cannon, whereof the end was burst, and filled it three-quarters full of water, stopping and screwing up the broken end, as also the touch-hole, and making a constant fire under it; within twentyfour hours it burst, and made a great crack...
Page 103 - ... stranger cannot stop from running out; and besides, though none should be within hearing, yet it catcheth his hand, as a trap doth a fox; and though far from maiming him, yet, it leaveth such a mark behind it, as will discover him if suspected ; the escutcheon or lock plainly shewing what money he hath taken out of the box to a farthing, and how many times opened since the owner had been in it.
Page 739 - A Description and Draught of a new-invented Machine, for carrying Vessels or Ships out of, or into, any Harbour, Port, or River, against Wind and Tide, or in a calm.
Page 270 - Irish patent, certified by his fiat and signature, a disclaimer of any part of either the title of the invention or of the specification, stating the reason for such disclaimer, or may, with such leave as aforesaid, enter a memorandum of any alteration in the said title or specification, not being such disclaimer or such alteration as shall extend the exclusive right granted by the said letters patent...
Page 691 - ... a way to make my vessels so that they are strengthened by the force within them, and the one to fill after the other, I have seen the water run, like a constant fountain-stream, forty feet high. One vessel of water, rarefied by fire, driveth up forty of cold water. And a man...
Page 121 - The marvellous fountain which Pliny describes in the island of Andros as discharging wine for seven days, and water during the rest of the year; — the spring of oil which broke out in Rome to welcome the return of Augustus from the Sicilian war, — the three empty urns which filled themselves with wine...