The Mechanic's Magazine, Museum, Register, Journal and Gazette, Volume 43Robertson, 1845 |
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Page 10
... minute ; with about sixty - five yards of coiled wire , the effervescence seemed as violent as during the action of dilute sul- phuric acid or zink . Copper was deposited from a solution of sulphate of copper at the rate of about 1.2 ...
... minute ; with about sixty - five yards of coiled wire , the effervescence seemed as violent as during the action of dilute sul- phuric acid or zink . Copper was deposited from a solution of sulphate of copper at the rate of about 1.2 ...
Page 12
... minute distance from the heated surface , without boiling . The water poured into a heated platinum cup kept in ... minutes it disappeared . The same result takes place when any substance capable of assuming a globular form is placed on ...
... minute distance from the heated surface , without boiling . The water poured into a heated platinum cup kept in ... minutes it disappeared . The same result takes place when any substance capable of assuming a globular form is placed on ...
Page 19
... minute by electricity , instead of steam , as Perkins did . I hope he will be able to render it easy of application , and I may venture to predict , that if war ceases not from the pressure ( of opinion ) from with- out , it soon will ...
... minute by electricity , instead of steam , as Perkins did . I hope he will be able to render it easy of application , and I may venture to predict , that if war ceases not from the pressure ( of opinion ) from with- out , it soon will ...
Page 22
... minute globules of steam on the metal of boilers is the cause of its becoming over - heated . By con- structing boilers so that currents of water are formed in them , which sweep along the heating surface , and remove from it the ...
... minute globules of steam on the metal of boilers is the cause of its becoming over - heated . By con- structing boilers so that currents of water are formed in them , which sweep along the heating surface , and remove from it the ...
Page 23
... minute por- tions of detached newly - formed scale , and as you are aware that this scale has an affinity for iron , the only conclusion that can be drawn is , that those portions of scale are car- ried by the ebullition of the water to ...
... minute por- tions of detached newly - formed scale , and as you are aware that this scale has an affinity for iron , the only conclusion that can be drawn is , that those portions of scale are car- ried by the ebullition of the water to ...
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acid angle apparatus application atmospheric railways boilers bottom Braidwood Captain carriage centre civil engineer claim Claviole coal condenser construction copper cubic cylinder diameter distance drain drainage effect employed engine equal expense experiments feet fire frustrum fuel furnace Galignani given glass half heat hour improvements inches invention iron July knots length less light Liverpool locomotive London machine machinery Magazine manufacture manure means mechanical ment Messrs metal meter miles miles per hour minute mode motion obtained October October 9 organzine paddles pass patent pipe piston plates potash present pressure principle produced propeller pump purpose quantity rail render sails Samuel Bentham screw screw propeller September 24 shaft ship side six months solution speed square steam steamers stroke surface tion Tofield tons Trinity House tube tunnel vacuum vessels valve velocity wheel
Popular passages
Page 303 - 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.
Page 344 - 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.
Page 303 - ... to his whole system, and that he used means different from those used by other philosophers, because he wished to arrive at an end altogether different from theirs. What then was the end which Bacon proposed to himself? It was, to use his own emphatic expression,
Page 300 - We have three others that do execute the experiments so directed, and report them. These we call inoculators. Lastly, we have three that raise the former discoveries by experiments into greater observations, axioms, and aphorisms. These we call interpreters of nature.
Page 300 - 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...
Page 317 - ... whole being constructed, arranged, and combined, in the manner and for the purpose herein set forth.
Page 300 - 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.
Page 301 - And this we do also: we have consultations, which of the inventions and experiences which we have discovered shall be published, and which not: and take all an oath of secrecy for the concealing of those which we think fit to keep secret: though some of those we do reveal sometimes to the State, and some not.
Page 64 - After these remarks you will perceive that it is no exaggeration to say, we may fairly judge of the commercial prosperity of a country from the amount of sulphuric acid it consumes.
Page 122 - The surface of a sphere is equal to the convex surface of the circumscribing cylinder ; and the solidity of the sphere is two thirds the solidity of the circumscribing cylinder.