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, 1836 - Industrial arts |
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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 ° , 224 ° 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 ° , 224 ° or the 20th , 18th , and 16th part of a circle ; but the planes may be set at any required ...
Page 14
... length ; 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 ...
... length ; 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 ...
Page 17
... length of time . This is proved by an extraordinary experiment made with some Indian curn found in the graves of the ancient Peruvians , buried more than 300 years ago . Some of this corn being sown , it vegetated and came to maturity ...
... length of time . This is proved by an extraordinary experiment made with some Indian curn found in the graves of the ancient Peruvians , buried more than 300 years ago . Some of this corn being sown , it vegetated and came to maturity ...
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 ...
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Common terms and phrases
acid antimony apparatus applied axis axle bars boiler bolts bottom carbonic acid carriage cast-iron centre 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 manner means metal miles mode motion mould nitric acid obtained operation paper pass patent 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 sufficient sulphuric acid 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 - ... 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 266 - 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 692 - 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 267 - Royal letters patent unto the petitioner, his executors, administrators, and assigns, for his said invention within the United Kingdom of Great Britain and Ireland, the Channel Islands, and Isle of Man, [Colonies to be mentioned, if any,~\ for the term of fourteen years, according to the Statute in that case made and provided...
Page 692 - So that, having 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.
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 103 - ... the 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 521 - The train consisted of 18 waggons, containing 135 bags and bales of American cotton, 200 barrels of flour, 63 sacks of oatmeal, and 34 sacks of malt, weighing altogether 51 tons 11 cwt. 1 qr.
Page 692 - 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 ; for I have taken a piece of a whole cannon, whereof the end was burst, and filled it...