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 7
... usually of wood and metal , as well as of paper , leather , and cloth , when they are properly prepared for the purpose . Those articles we most commonly find japanned , are pieces of household furniture , cabinet work , boxes of all ...
... usually of wood and metal , as well as of paper , leather , and cloth , when they are properly prepared for the purpose . Those articles we most commonly find japanned , are pieces of household furniture , cabinet work , boxes of all ...
Page 12
... usually cut into small pieces for making mats , gaskets , & c . JURY - MAST . A temporary mast erected in a ship in the place of the proper one . K. KALEIDOSCOPE . An instrument for creating and exhibiting an infinite variety of ...
... usually cut into small pieces for making mats , gaskets , & c . JURY - MAST . A temporary mast erected in a ship in the place of the proper one . K. KALEIDOSCOPE . An instrument for creating and exhibiting an infinite variety of ...
Page 13
... usually first laid on the blocks in building ; it supports and unites the whole fabric , since the stem and stern posts which are elevated on its ends , are , in some measure , a continuation of the keel , and serve to connect and ...
... usually first laid on the blocks in building ; it supports and unites the whole fabric , since the stem and stern posts which are elevated on its ends , are , in some measure , a continuation of the keel , and serve to connect and ...
Page 14
... usually they are about 18 feet . In some places holes are dug in the ground to form the kilns , which are lined with stone ; but in these all the vraic is rarely completely burned , and the unburned portion yields no alkali . It is now ...
... usually they are about 18 feet . In some places holes are dug in the ground to form the kilns , which are lined with stone ; but in these all the vraic is rarely completely burned , and the unburned portion yields no alkali . It is now ...
Page 17
... usually resorted to where it can be obtained , ) is a very tedious , defective , and expensive mode , and is attended with great labour , owing to the grain requiring to be continually turned over and spread by a workman , whose utmost ...
... usually resorted to where it can be obtained , ) is a very tedious , defective , and expensive mode , and is attended with great labour , owing to the grain requiring to be continually turned over and spread by a workman , whose utmost ...
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.