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 6
... length ; the other end of this line is reeved through two threefold or fourfold pul- leys , ab and c , generally placed against the outside of the house , and at a consi- derable height , so as to allow the greater range for the weight ...
... length ; the other end of this line is reeved through two threefold or fourfold pul- leys , ab and c , generally placed against the outside of the house , and at a consi- derable height , so as to allow the greater range for the weight ...
Page 12
... length is equal to the length of the reflecting planes . The inclination of the reflector that is in general most pleasing is 18 ° , 20 ° , 224o or the 20th , 18th , and 16th part of a circle ; but the planes may be set at any required ...
... length is equal to the length of the reflecting planes . The inclination of the reflector that is in general most pleasing is 18 ° , 20 ° , 224o or the 20th , 18th , and 16th part of a circle ; but the planes may be set at any required ...
Page 22
... length and breadth are to each other as five to one . One side of the trough constitutes a lid , which is removed to introduce the flour and water , and the trough is divided into as many cells as there are balls introduced . The ...
... length and breadth are to each other as five to one . One side of the trough constitutes a lid , which is removed to introduce the flour and water , and the trough is divided into as many cells as there are balls introduced . The ...
Page 49
... length of the hearth , from the place where the fire enters to the chimney , is about 11 feet , 2 feet of which constitute the throat of the furnace ; the remainder forms a concave surface , 4 feet wide at the throat of the furnace ...
... length of the hearth , from the place where the fire enters to the chimney , is about 11 feet , 2 feet of which constitute the throat of the furnace ; the remainder forms a concave surface , 4 feet wide at the throat of the furnace ...
Page 55
... length may be made . A third method , which was patented in 1790 by the great iron master , John Wilkinson , consists in casting a very thick pipe in a mould , having a cylindrical core of the same diameter as the intended pipe , and ...
... length may be made . A third method , which was patented in 1790 by the great iron master , John Wilkinson , consists in casting a very thick pipe in a mould , having a cylindrical core of the same diameter as the intended pipe , and ...
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Common terms and phrases
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
Popular passages
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...