The Mechanics' Magazine, Museum, Register, Journal, and Gazette, Volumen44M. Salmon, 1846 |
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action angle apparatus appears applied April atmospheric atmospheric railways blades boiler broad gauge Canopus carriages centre claim colour construction copper course crucible curve cylinder diameter dihedral angle effect employed equal equation Euclid experiments fact feet fire Fleet-street force Galignani gauge geometry give given grains gutta percha heat horses power hour improvements invention iron Jopling length light London long-boiler machine machinery Magazine magnetic manufacture March mathematical means mechanical ment Messrs metal method minute MISCELLANEA mode motion narrow gauge obtained opinion oxide paddle-wheels patent piece pipe piston plane plate practical pressure principle produced pump purpose quantity racter railway red heat remarks render revolutions per minute screw propeller Septenary shaft ship side six months slide solution speed square inch steam engine steamer stroke substance surface tion tons tube valve velocity vessel weight wheel wire
Pasajes populares
Página 290 - For he who fights and runs away May live to fight another day ; But he who is in battle slain Can never rise and fight again.
Página 309 - If a straight line be divided into two equal parts, and also into two unequal parts; the rectangle contained by the unequal parts, together with the square of the line between the points of section, is equal to the square of half the line.
Página 485 - If two straight lines meeting one another be parallel to two others that meet one another, though not in the same plane with the first two ; the first two and the other two shall contain equal angles.
Página 496 - ... along with from one to three per cent, of their weight of carburet of manganese ; and exposing the crucible to the proper heat for melting the materials which are, when fluid, to be poured into an ingot mould in the usual manner...
Página 126 - All matter appears to be subject to the magnetic force as universally as it is to the gravitating, the electric and the chemical or cohesive forces...
Página 156 - That, in order to complete the general chain of narrow gauge communication from the north of England to the southern coast, any suitable measure should be promoted to form a narrow gauge link from Oxford to Reading, and thence to Basingstoke, or by any shorter route connecting the proposed Rugby and Oxford line with the South- Western Railway.
Página 136 - If it fall obliquely, it will be reflected obliquely in the opposite direction ; and in all cases the angle of incidence will be equal to the angle of reflection. This is the fundamental law of Catoptrics, or reflected light.
Página 303 - with respect to this objection, the question is somewhat new*. Some things are obvious as soon as they are made public ; of others, the scientific world may possess itself by analysis ; some inventions almost baffle discovery. But to entitle a man to a patent, the invention must be new to the world.
Página 124 - The following is the order in which the several divisions of the subject treated of in this section of the author's researches in electricity, succeed one another: — 1. Apparatus required. 2. Action of magnets on heavy glass. 3. Action of magnets on other substances acting magnetically on light. 4. Action of magnets on the metals generally. 5. Action of magnets on the magnetic metals and their compounds. 6. Action of magnets on air and gases. 7. General considerations. In giving an account of the...
Página 301 - The reason wherefore such a privilege is good in law, is, because the inventor bringeth to and for the commonwealth a new manufacture, by his invention, costs, and charges, and, therefore, it is reason that he should have a privilege for his reward, (and the encouragement of others in the like, ) for a convenient time.