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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Resultat 1-5 av 46
Side 40
... Geometry , is altogether new in its plan , and better adapted to its purpose than any we have yet seen . The chapter on " lineation , " or geometry on the ground , contains many problems of paramount use in surveying . We must ...
... Geometry , is altogether new in its plan , and better adapted to its purpose than any we have yet seen . The chapter on " lineation , " or geometry on the ground , contains many problems of paramount use in surveying . We must ...
Side 137
... geometry , such as that of Euclid and Apol- lonius ; but from the time of Barrow and of Newton , the cultivation of a certain amount of the geometry which stands midway be- tween the ancient geometry and the modern analysis , has been ...
... geometry , such as that of Euclid and Apol- lonius ; but from the time of Barrow and of Newton , the cultivation of a certain amount of the geometry which stands midway be- tween the ancient geometry and the modern analysis , has been ...
Side 138
... geometry , by the ordinary algebraic processes , and by the use of the trigonometrical formulæ , have hence some chance of obtaining attention and inspiring respect , amongst us ; since the example of constituting these the fundamental ...
... geometry , by the ordinary algebraic processes , and by the use of the trigonometrical formulæ , have hence some chance of obtaining attention and inspiring respect , amongst us ; since the example of constituting these the fundamental ...
Side 139
... geometry . 3. There is a succinct account of the his- tory of geometry and geometers prefixed to the work . In this he has followed the earlier writers , here and there , perhaps , cor- recting the statements so taken , by a refer- ence ...
... geometry . 3. There is a succinct account of the his- tory of geometry and geometers prefixed to the work . In this he has followed the earlier writers , here and there , perhaps , cor- recting the statements so taken , by a refer- ence ...
Side 147
... geometry , must have encountered the following problem : - " Given two lines which are inclined to each other , but whose intersection would fall beyond the limits of the drawing ; it is required to draw through a given point another ...
... geometry , must have encountered the following problem : - " Given two lines which are inclined to each other , but whose intersection would fall beyond the limits of the drawing ; it is required to draw through a given point another ...
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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.