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 ...T. Kelly, 1846 |
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Page 21
... attached to the line , and moored by a small anchor with which it is equipped . The kite , during its flight , is attached to the line by two cords placed in the usual manner , which preserves its poise in the air ; and to cause it to ...
... attached to the line , and moored by a small anchor with which it is equipped . The kite , during its flight , is attached to the line by two cords placed in the usual manner , which preserves its poise in the air ; and to cause it to ...
Page 25
... attaching to his hone a leather strap which is made double , and kept stretched by adjusting screws attached to the frame of the hone , or else to the end of a rod extending VOL . II . D lengthways between the two folds of leather ...
... attaching to his hone a leather strap which is made double , and kept stretched by adjusting screws attached to the frame of the hone , or else to the end of a rod extending VOL . II . D lengthways between the two folds of leather ...
Page 30
... attached the article to be raised , ( a tea - chest , for instance , out of the hold of a ship ; ) a man then ascends the ladder to the required height , and steps on to a foot - board , properly contrived for the purpose , which is ...
... attached the article to be raised , ( a tea - chest , for instance , out of the hold of a ship ; ) a man then ascends the ladder to the required height , and steps on to a foot - board , properly contrived for the purpose , which is ...
Page 51
... attached to this shaft , when the wind turns this vane the shutter is , conse- quently , in like manner turned against it . Fig . 3 is a transverse section of the tower immediately under the roof , by which the circular frame of the ...
... attached to this shaft , when the wind turns this vane the shutter is , conse- quently , in like manner turned against it . Fig . 3 is a transverse section of the tower immediately under the roof , by which the circular frame of the ...
Page 53
... attached to a bent extremity of a lever of the first class , the other arm of which is loaded with a weight , that acts as a compressing force to keep the plug in the tapping hole ; a rope attached to the end of the loaded arm of the ...
... attached to a bent extremity of a lever of the first class , the other arm of which is loaded with a weight , that acts as a compressing force to keep the plug in the tapping hole ; a rope attached to the end of the loaded arm of the ...
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 - 1835 |
The Engineer's and Mechanic's Encyclopædia: Comprehending ..., Volume 2 Luke Hebert Affichage du livre entier - 1836 |
Expressions et termes fréquents
acid annexed apparatus applied arrangement atmospheric atmospheric railways attached axis axle beam boiler bolts bottom break of gauge broad gauge carriage centre colour common condenser connected connecting rod consists construction copper crank cupel cylinder described diameter distance edge effect employed engine equal feet fixed force frame furnace gauge glass groove heat holes horizontal improvements inches inclined plane invention iron lamp length lever locomotive lower machine machinery means metal miles miles per hour mode motion mould narrow gauge obtained operation paper passing patent pieces pipe piston piston rod placed plate potash pressure propelling pulley pump purpose quantity rails railway revolving rollers rope round screw seed-lac shaft shown side skin slide specific gravity steam steam engine stone substance surface thick tube turned turpentine upper usually valve velocity vertical vessel weight wheels wire wood
Fréquemment cités
Page 116 - 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 262 - ... Provided also that 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 patent and grants shall not use...
Page 651 - 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 133 - 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 266 - ... having invented or used the same, or some part thereof, before the date of such letters patent, or if such patentee or his assigns shall discover that some other person had, unknown to such patentee, invented or used the same...
Page 267 - ... notwithstanding : Provided that no such extension shall be granted if the application by petition shall not be made and prosecuted with effect before the expiration of the term originally granted in such letters patent.
Page 132 - Take a pendulum which will vibrate seconds in London, on a level of the sea, in a vacuum; divide all that part thereof which lies between the axis of suspension and the center of oscillation, into 391393 equal parts ; then will 10000 of those parts be an imperial inch, 12 whereof make a foot, and 36 whereof make a yard.
Page 402 - In the formation of the railway there have been dug out of the different excavations, upwards of three millions of cubic yards of stone, clay, and soil, and the weight of the double lines of rail laid down is more than 4,000 tons. The total expenditure of the Com-pany, in actual payments, up to the 31st of May last, was 739,165Z.
Page 360 - ... its capacity will be enlarged, the valve F will be shut by its own weight, the air in the bag will be rarefied, and the atmosphere will press the water into the bag. When the rod is thrust down again, this water will come out by the valve F, and fill part of the trunk.
Page 40 - The gauze cylinder should be fastened to the lamp by a screw of four or five turns, and fitted to the screw by a tight ring. All joinings in the lamp should be made with hard solder ; and the security depends upon the circumstance that no aperture exista in the apparatus larger than in the wire gauze.