The Mechanics' Magazine, Museum, Register, Journal, and Gazette, 43. kötetM. Salmon, 1845 |
Részletek a könyvből
1 - 5 találat összesen 71 találatból.
12. oldal
... heat is not com- municated to it ; and that the water assumes a spheroidal form , and continues to roll about , upheld at a minute distance from the heated surface , without boiling . The water poured into a heated platinum cup kept in ...
... heat is not com- municated to it ; and that the water assumes a spheroidal form , and continues to roll about , upheld at a minute distance from the heated surface , without boiling . The water poured into a heated platinum cup kept in ...
16. oldal
... heat ; and the latter , carbonate of lime , with certain pro- portions of chloride of sodium , and other saline matter . " The lecturer then proceeded to illus- trate the way in which incrustations injured boilers , and after speaking ...
... heat ; and the latter , carbonate of lime , with certain pro- portions of chloride of sodium , and other saline matter . " The lecturer then proceeded to illus- trate the way in which incrustations injured boilers , and after speaking ...
21. oldal
... heat employed to generate steam causing the lime which exists in the water , in the form of soluble bicar- bonate of lime , to be converted into an insoluble carbonate of lime ; and ( that ) in marine boilers , incrustation is generally ...
... heat employed to generate steam causing the lime which exists in the water , in the form of soluble bicar- bonate of lime , to be converted into an insoluble carbonate of lime ; and ( that ) in marine boilers , incrustation is generally ...
22. oldal
... heat which causes the salts , both in marine and land boilers to pass from the soluble to the insoluble state . The Doctor admits , or rather declares , that the heat is the grand cause of the disease ; and , in order to alleviate it ...
... heat which causes the salts , both in marine and land boilers to pass from the soluble to the insoluble state . The Doctor admits , or rather declares , that the heat is the grand cause of the disease ; and , in order to alleviate it ...
23. oldal
... heating of the plates be assigned as the rea- son why the water in marine boilers deposits salt , although it is not a saturated solution ? After a little reflection on these observa- tions , the following question is likely to be ...
... heating of the plates be assigned as the rea- son why the water in marine boilers deposits salt , although it is not a saturated solution ? After a little reflection on these observa- tions , the following question is likely to be ...
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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...