The Mechanic's Magazine, Museum, Register, Journal and Gazette, Band 37Robertson, 1842 |
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Seite iii
... plate - glass , 97 Bewley's patent chalybeate water , 604 Biram , B. , Esq .; improvements in rotary engines , 321 , 366 ; paddle - wheels , 536 ; ventilation of mines , 558 Birkby's improvements in wire cards , 350 Black , dyeing ...
... plate - glass , 97 Bewley's patent chalybeate water , 604 Biram , B. , Esq .; improvements in rotary engines , 321 , 366 ; paddle - wheels , 536 ; ventilation of mines , 558 Birkby's improvements in wire cards , 350 Black , dyeing ...
Seite vi
... plate , Bessemer's improvements in manufacture of , 97 Gold mines of Russia , 400 Gold's refrigerator , 95 Gorgon engines , 174 , 500 Government contract work , 294 Grange's , De , improved chereaux - de - frise , 320 Grantham on iron ...
... plate , Bessemer's improvements in manufacture of , 97 Gold mines of Russia , 400 Gold's refrigerator , 95 Gorgon engines , 174 , 500 Government contract work , 294 Grange's , De , improved chereaux - de - frise , 320 Grantham on iron ...
Seite viii
... Plate glass , Bessemer's improvements in the manufacture of , 97 Ploughs , Warren's improvements in , 477 Pork oil , 48 Port Talbot , description of , 346 Portugal , march of improvement in , 160 Power machine , Douglas's , 379 PRINTING ...
... Plate glass , Bessemer's improvements in the manufacture of , 97 Ploughs , Warren's improvements in , 477 Pork oil , 48 Port Talbot , description of , 346 Portugal , march of improvement in , 160 Power machine , Douglas's , 379 PRINTING ...
Seite 10
... plate iron , supported upon ten iron kelsons , of which the centre ones are 3 feet 3 inches deep . These kelsons are formed , like the floorings , of iron plates placed on edge . The hull is divided into five distinct compartments by ...
... plate iron , supported upon ten iron kelsons , of which the centre ones are 3 feet 3 inches deep . These kelsons are formed , like the floorings , of iron plates placed on edge . The hull is divided into five distinct compartments by ...
Seite 13
... plates to contract , and drag the rivets into holes . This is alleged by him to have occurred in Hamnett's boiler , which , how- ever , he never saw in action , as there was no means for internal inspection . If it were so , how did it ...
... plates to contract , and drag the rivets into holes . This is alleged by him to have occurred in Hamnett's boiler , which , how- ever , he never saw in action , as there was no means for internal inspection . If it were so , how did it ...
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Beliebte Passagen
Seite 369 - The Committee on Science and the Arts constituted by the Franklin Institute of the State of Pennsylvania, for the promotion of the Mechanic Arts, to whom was referred for examination a Solar Compass, invented by WM.
Seite 588 - ... any new and original design for a bust, statue, or bas relief or composition in alto or basso relievo, or any new and original impression or ornament, or to be placed on any article of manufacture, the same being formed in marble or other material, or any new and useful pattern...
Seite 374 - An account of the waste or increase of the Land on any part of the coast of Great Britain, the nature of the Soil, the direction of the Tides, Currents, Rivers, Estuaries, &c., with the means adopted for retarding or preventing the waste of the land.
Seite 496 - When no unguent is interposed, the friction of any two surfaces (whether of quiescence or of motion) is directly proportional to the force with which they are pressed perpendicularly together ; so that for any two given surfaces of contact there is a constant ratio of the friction to the perpendicular pressure of the one surface upon the other.
Seite 466 - ... 2. On repeating this simple experiment, I find that it is necessary for the production of a good effect to use dissimilar metals ; for instance, a piece of gold or platina on a plate of copper or of silver will make a very decided image, whereas copper or silver on their respective plates...
Seite 341 - We are of opinion that if the result produced by such a combination is either a new article, or a better article, or a cheaper article to the public, than that produced before by the old method, that such combination is an invention or manufacture intended by the statute, and may well become the subject of a patent.
Seite 468 - I feel convinced that we have to do with some thermic influence, and that it will eventually be found that some purely calorific excitement produces a molecular change, or that a thermo-electric action is induced which effects some change in the polarities of the ultimate atoms of the solid.
Seite 347 - ... to the health. But as it approaches the metropolis, it becomes loaded with a quantity of filth, which renders it disgusting to the senses, and improper to be employed in the preparation of food.
Seite 588 - ... manufacture, not known or used by others before his, her, or their invention or production thereof, and prior to the time of his, her, or their application for a patent therefor, and who shall desire to obtain an exclusive property or right therein to make, use, (and sell) and vend the same, or copies of the same, to others, by them to be made, used, and sold, may make application in writing, to the Commissioner of Patents, expressing such desire : and the Commissioner, on due proceedings had,...
Seite 468 - Magazine for October 1840, I mentioned some instances in which I had copied printed paper and engravings on iodized paper by mere contact and exposure to the influence of calorific rays, or to artificial heat. I then, speculating on the probability of our being enabled by some such process as the one I then named, to copy pictures and the like, proposed the name of THERMOGRAPHY, to distinguish it from Photography.