The Mechanics' Magazine, Museum, Register, Journal, and Gazette, 43. kötetM. Salmon, 1845 |
Részletek a könyvből
1 - 5 találat összesen 85 találatból.
8. oldal
... proved to be the best for avoiding draughts . are the fixed glass louvres ; bc , the slide valve for regulating the quantity of air admitted , which is moved by the cords de , coinciding with , and hidden by , the sash - bars , and ...
... proved to be the best for avoiding draughts . are the fixed glass louvres ; bc , the slide valve for regulating the quantity of air admitted , which is moved by the cords de , coinciding with , and hidden by , the sash - bars , and ...
14. oldal
... proving that , before the patents , M. Bertrand had purchased cer- tain chemical products , and especially the cyanides , the useful application of which to galvanic gilding had afterwards been pointed out by MM . Elkington and De Ruolz ...
... proving that , before the patents , M. Bertrand had purchased cer- tain chemical products , and especially the cyanides , the useful application of which to galvanic gilding had afterwards been pointed out by MM . Elkington and De Ruolz ...
15. oldal
... proving that the liquids described by MM . Elkington and De Ruolz , cover objects to be gilt with a continuous and perfectly adhering layer of gold , without in any way attacking and corroding the objects ; whilst M. De la Rive's liquor ...
... proving that the liquids described by MM . Elkington and De Ruolz , cover objects to be gilt with a continuous and perfectly adhering layer of gold , without in any way attacking and corroding the objects ; whilst M. De la Rive's liquor ...
16. oldal
... proved that as it was a non - conductor of heat , the boiler thus coated would become burnt as if empty , and thus in time be so weakened as to give way under the pressure of the steam . He also quoted authorities to prove , that as ...
... proved that as it was a non - conductor of heat , the boiler thus coated would become burnt as if empty , and thus in time be so weakened as to give way under the pressure of the steam . He also quoted authorities to prove , that as ...
31. oldal
... proved her- self an excellent sea - ship , having been ex- posed to some very strong winds and heavy seas , and is remarkably stiff under canvas , seeming as if she would sooner tear her masts out of her than list over beyond a certain ...
... proved her- self an excellent sea - ship , having been ex- posed to some very strong winds and heavy seas , and is remarkably stiff under canvas , seeming as if she would sooner tear her masts out of her than list over beyond a certain ...
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acid angle apparatus application atmospheric railways boilers bottom Braidwood Captain carriage centre circle civil engineer 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 present pressure principle produced pump purpose quantity rail render sails Samuel Bentham SCREW PROPELLING shaft ship side six months solution speed square steam steamers stocking frame stroke sulphuric acid surface tain tion Tofield tons train Trinity House tube tunnel vacuum vessels valve velocity wheel wind
Népszerű szakaszok
339. oldal - ... shut up, intercourse suspended, the sick abandoned, mothers weeping in terror over their children. The Stoic assures the dismayed population that there is nothing bad in the small-pox, and that to a wise man disease, deformity, death, the loss of friends, are not evils. The Baconian takes out a lancet and begins to vaccinate.
339. oldal - 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.
336. oldal - 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..
339. oldal - 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
336. oldal - 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...
336. oldal - 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.
337. oldal - 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.
114. oldal - 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.
309. oldal - ... whole being constructed, arranged, and combined, in the manner and for the purpose herein set forth.
66. oldal - ... weight when their shafts were uniform ; and that columns tapering from the bottom to the top were only capable of bearing weights due to the smallest part of their section, though the larger end might serve to prevent lateral thrusts. This last remark applies, too, to the Egyptian columns, the strength of the column being only that of the smallest part of the section. From the two series of experiments, it appeared that the strength of the short column is nearly in proportion to the area of the...