Iron: An Illustrated Weekly Journal for Iron and Steel Manufacturers, Metallurgists, Mine Proprietors, Engineers, Shipbuilders, Scientists, Capitalists ..., Volum 44Perry Fairfax Nursey Knight and Lacey, 1846 |
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Side 9
... principle . In ordinary weather the present lights are seen as far as the curvature of the earth allows ; and unless a light powerful enough for the penetration of fog can be found , I see no inducement to run any risk as to the due and ...
... principle . In ordinary weather the present lights are seen as far as the curvature of the earth allows ; and unless a light powerful enough for the penetration of fog can be found , I see no inducement to run any risk as to the due and ...
Side 10
... principle of the small apparatus invent- ed by the late French academician , Augus- tin Fresnel . The upper zones encompass the flame in the form of a bee - hive roof , and the lower ones are arranged in a cylin- der ; their effect is ...
... principle of the small apparatus invent- ed by the late French academician , Augus- tin Fresnel . The upper zones encompass the flame in the form of a bee - hive roof , and the lower ones are arranged in a cylin- der ; their effect is ...
Side 11
... principle , only two - thirds of the light are available . 11 improvement has been made , is an ex- tension of the means for distinguishing one light from another . The distinc- tions at present are nine in number ; viz . , fixed ...
... principle , only two - thirds of the light are available . 11 improvement has been made , is an ex- tension of the means for distinguishing one light from another . The distinc- tions at present are nine in number ; viz . , fixed ...
Side 14
... principle of atmospheric traction on railroads practicable , was Mr. Samuel Clegg . But statements have appeared since the lamented death of Mr. Jacob Samuda , which might leave even the best informed in doubt . To you , therefore , Sir ...
... principle of atmospheric traction on railroads practicable , was Mr. Samuel Clegg . But statements have appeared since the lamented death of Mr. Jacob Samuda , which might leave even the best informed in doubt . To you , therefore , Sir ...
Side 20
... principle in the mind ; —theirs , only the abandonment of intellect to the concate- nations and necessary consequences of the elaborated principle . Such a one was Archimedes , in comparison with Cavallerius , Leibnitz , and Newton ! We ...
... principle in the mind ; —theirs , only the abandonment of intellect to the concate- nations and necessary consequences of the elaborated principle . Such a one was Archimedes , in comparison with Cavallerius , Leibnitz , and Newton ! We ...
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Vanlige uttrykk og setninger
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 PROPELLING 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
Populære avsnitt
Side 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.
Side 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.
Side 303 - A jury returned a verdict for the defendant. The plaintiff moved for a new trial upon the ground of the insufficiency of the evidence to justify the verdict and the motion was granted.
Side 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...
Side 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...
Side 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.
Side 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.
Side 303 - Jones v. Pearce, and I recollect that those cases proceeded on the ground of the former machines being, in truth, mere experiments, which altogether failed. The public use and exercise of an invention, means a use and exercise in public, not by the public.
Side 479 - Take half a bushel of nice unslacked lime, slack it with boiling water, cover it during the process to keep in the steam. Strain the liquid through a fine sieve or strainer, and add to it a peck of salt, previously...
Side 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.