Iron: An Illustrated Weekly Journal for Iron and Steel Manufacturers, Metallurgists, Mine Proprietors, Engineers, Shipbuilders, Scientists, Capitalists ..., Band 43Perry Fairfax Nursey Knight and Lacey, 1845 |
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Seite 45
... hour the crucible was removed , its contents allowed to cool , and an ounce of pure gold was found in the bottom , being the weight of the quicksilver put in ! In this instance the cheat had previously conveyed the gold disguised as an ...
... hour the crucible was removed , its contents allowed to cool , and an ounce of pure gold was found in the bottom , being the weight of the quicksilver put in ! In this instance the cheat had previously conveyed the gold disguised as an ...
Seite 47
... hour ; placed in a tub it can be used for draining fens , or forcing the Thames water into kitchens ; and it is ... hours without intermission , and cannot possibly be wearied ! His remarks corroborate the opinion that forcing pumps were ...
... hour ; placed in a tub it can be used for draining fens , or forcing the Thames water into kitchens ; and it is ... hours without intermission , and cannot possibly be wearied ! His remarks corroborate the opinion that forcing pumps were ...
Seite 54
... hour . 66 Not content with disparaging Mr. Braidwood's once freely acknowledged merits as a constructor of fire - engines , Mr. Baddeley would have us believe that the Superintendent knows nothing about what engines are capable of ...
... hour . 66 Not content with disparaging Mr. Braidwood's once freely acknowledged merits as a constructor of fire - engines , Mr. Baddeley would have us believe that the Superintendent knows nothing about what engines are capable of ...
Seite 57
... hours , after which it is covered up , and left to settle . The compounds of oil and lime are then taken out and dried , and afterwards crushed and sifted to bring them into the state of a fine powder . The lime that has been used in ...
... hours , after which it is covered up , and left to settle . The compounds of oil and lime are then taken out and dried , and afterwards crushed and sifted to bring them into the state of a fine powder . The lime that has been used in ...
Seite 58
... hours with occasional stirring ; the vessels are then removed from the steam , their contents well washed with abundance of water , and set to cool in wooden vessels ; the acid fat now assumes the appearance of tallow when perfectly ...
... hours with occasional stirring ; the vessels are then removed from the steam , their contents well washed with abundance of water , and set to cool in wooden vessels ; the acid fat now assumes the appearance of tallow when perfectly ...
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acid angle apparatus application atmospheric railways boilers bottom Braidwood Captain carriage cause centre circle claim Claviole coal condenser construction copper cylinder described diameter distance effect employed engine equal expense experiments fire frustrum fuel furnace Galignani given heat hour improvements inches increased invention iron July knots length less light Liverpool locomotive London LONDON FIRE BRIGADE machine machinery Magazine manufacture means Mechanics ment Messrs metal meter method miles miles per hour minute mode motion obtained organzine paddles paper pass patent pipe piston plane plates Portsmouth present pressure principle produced pump purpose quantity rail render roller sails Samuel Bentham SCREW PROPELLING shaft ship side six months solution speed square steam steamers stocking frame stroke sulphuric acid surface tion Tofield tons train Trinity House tube tunnel vacuum vessels valve velocity wheel wind
Beliebte Passagen
Seite 345 - The Baconian constructs a diving-bell, goes down in it, and returns with the most precious effects from the wreck. It would be easy to multiply illustrations of the difference between the philosophy of thorns and the philosophy of fruit, the philosophy of words and the philosophy of works.
Seite 386 - And, as occasion served, would quote, No matter whether right or wrong; They might be either said or sung. His notions fitted things so well, That which was which he could not tell, But oftentimes mistook the one For th" other, as great clerks have done.
Seite 345 - What then was the end which Bacon proposed to himself? It was, to use his own emphatic expression, " fruit." It was the multiplying of human enjoyments and the mitigating of human sufferings. It was
Seite 342 - Then after divers meetings and consults of our whole number, to consider of the former labours and collections, we have three that take care, out of them, to direct new experiments, of a higher light, more penetrating into nature than the former. These we call lamps..
Seite 342 - We have also engine-houses, where are prepared engines and instruments for all sorts of motions. There we imitate and practise to make swifter motions than any you have, either out of your muskets or any engine that you have...
Seite 315 - I claim therein as my invention, and desire to secure by letters patent, is dividing the interior of the furnace stack into two or more compartments, by partitions, which descend nearly to the bosh of the furnace — the bosh being the same as that of the common blast furnace, except the elevated hearth ; the whole being constructed , arranged, and combined, in the manner and for the purpose herein set forth.
Seite 342 - We have three that try new experiments. Such as themselves think good. These we call pioneers or miners. We have three that draw the experiments of the former four into titles and tables, to give the better light for the drawing of observations and axioms out of them. These we call compilers.
Seite 157 - MANUAL OF ASTRONOMY : a Popular Treatise on Descriptive, Physical, and Practical Astronomy ; with a familiar Explanation of Astronomical Instruments, and the best methods of using them.
Seite 312 - ... and thus separating the same therefrom. And it is the combining carbonate of soda or carbonate of potash, or both with carbonate of lime, and also the combining carbonate of potash and soda with phosphate of lime, in such manner as to diminish the solubility of the alkaline salts to be used as ingredients for manure (suitable for restoring to...
Seite 270 - ... if the day would never finish. What, therefore, at first promised to be so gratifying, soon threatened to become extremely irksome, and would, indeed, have been a serious inconvenience, had we not followed the example of the feathery tribe, which we daily observed winging their way to roost, with a clock-work regularity, and retired to our cabin at the proper hour, where, shutting out the rays of the sun, we obtained that repose which the exercise of our duties required.