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The Mechanics' Magazine, Museum, Register, Journal, and Gazette, Volume 36
Visualização integral - 1842
The Mechanics' Magazine, Museum, Register, Journal, and Gazette, Volume 16
Visualização integral - 1832
The Mechanics' Magazine, Museum, Register, Journal, and Gazette, Volume 35
Visualização integral - 1841
advantage apparatus appears applied bees body boiler called carriage carried cause communication complete consequence considerable considered constructed course described direction effect employed engine England equal experiments fact feet fixed flame force four give given greater ground half hand heat hour important improvement inches increase invention iron late length less light London machine machinery manufacture matter means Mechanics ment metal miles mode months motion nature necessary never notice object observed obtained operation pass persons piece practical present pressure principle produced quantity railway received remarks respect result screw seen side similar steam sufficient supposed surface taken thing tion tube turned vessel weight wheel whole
Página 132 - As in mathematics, so in natural philosophy, the investigation of difficult things by the method of analysis, ought ever to precede the method of composition. This analysis consists in making experiments and observations, and in drawing general conclusions from them by induction, and admitting of no objections against the conclusions, but such as are taken from experiments, or other certain truths. For hypotheses are not to be regarded in experimental philosophy.
Página 138 - These results are best explained by considering the nature of the flame of combustible bodies — which, in all cases, must be considered as the combustion of an explosive mixture of inflammable gas, or vapour and air...
Página 429 - The difference between the time shown by the sidereal clock, at the transit, and the right ascension of the body, taken from the almanack, will, therefore, be the error of the clock, + , or too fast, when the clock time is greater than the right ascension, — , or too slow, when it is less.
Página 104 - Arcana of Science and Art ; or, an Annual Register of Useful Inventions and Improvements...
Página 382 - His gradual rise from the stonemasons' and builders' yard to the top of his profession in his own country, or, we believe we may say, in the world, is to be ascribed not more to his genius, his consummate ability, and persevering industry, than to his plain, honest, straight-forward dealing, and the integrity and candour which marked his character throughout life.
Página 231 - ... in the common concerns of commerce, should be claimed by many contending nations, is what would naturally be expected. * * * All Arabian authors on arithmetic appear to agree that the first writer of that country upon this system of arithmetic was Mohammed ben Muza, the Khuwarezmite, who flourished about the year 900. This writer is celebrated for having introduced among his countrymen many important parts of the science of the Hindoos, to the cultivation of which he was devotedly attached ;...
Página 244 - The enormous magnitude of these bodies," he remarks, "and consequent probable mass (if they be not hollow shells), may give them a gravitating energy, which, however rare we may conceive them to be, may yet be capable of retaining in orbits, three or four times their own diameter, and in periods of great length, small bodies of a stellar character.
Página 130 - To all whom it may concern: Be it known, that I, Ross Winans, civil engineer, of the city of Baltimore, in the State of Maryland, have invented a new and useful improvement in the construction of cars or carriages intended to travel upon...
Página 10 - The Woolcombers' Union has been celebrated above a century, and several Acts of Parliament have been passed with the object of suppressing the power which it had acquired, and exercised with the usual bad consequences. Hence, many endeavours have been made to comb wool entirely by machinery, but with very partial success, till last year, when the whole of the combers in a large factory struck, upon which the proprietors turned their attention to this machine, applied their skill and capital to its...