The Mechanic's Magazine, Museum, Register, Journal and Gazette, Τόμος 44Robertson, 1846 |
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Αποτελέσματα 1 - 5 από τα 39.
Σελίδα 2
... strokes , or impulses , and as well strokes and impulses of a small or moderate , as of a high power . " Mr. Wylam has ... stroke of the piston back into the cistern H , from the valvular governor D. The reservoir E is made of larger ...
... strokes , or impulses , and as well strokes and impulses of a small or moderate , as of a high power . " Mr. Wylam has ... stroke of the piston back into the cistern H , from the valvular governor D. The reservoir E is made of larger ...
Σελίδα 4
... stroke , the lever O , is reversed , and the eduction port T , opened ; and as soon as the first charge of water has passed away , the in- duction port is re - opened for a second charge , and so on through any number of charges and ...
... stroke , the lever O , is reversed , and the eduction port T , opened ; and as soon as the first charge of water has passed away , the in- duction port is re - opened for a second charge , and so on through any number of charges and ...
Σελίδα 27
... stroke ; when the crank is only a short distance from the dead point ; but I have made use of it nevertheless to ... stroke , which is the most powerful engine of the kind that he has seen ; and its operation is so encou- raging that he ...
... stroke ; when the crank is only a short distance from the dead point ; but I have made use of it nevertheless to ... stroke , which is the most powerful engine of the kind that he has seen ; and its operation is so encou- raging that he ...
Σελίδα 44
... strokes of the piston equal to fifty , sixty miles , or more , an hour , be produced within such boiler room as a narrow gauge engine admits of , without injuri- ously , or inconveniently encreasing its length ? And if not , what is the ...
... strokes of the piston equal to fifty , sixty miles , or more , an hour , be produced within such boiler room as a narrow gauge engine admits of , without injuri- ously , or inconveniently encreasing its length ? And if not , what is the ...
Σελίδα 50
... stroke for the cut - off ma- terial to escape before the return of the cut- ter , and all choking of the machine is thus prevented . K K , are two parallel graters , or rubbing surfaces made of toothed iron , millstone , or other ...
... stroke for the cut - off ma- terial to escape before the return of the cut- ter , and all choking of the machine is thus prevented . K K , are two parallel graters , or rubbing surfaces made of toothed iron , millstone , or other ...
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action angle apparatus appears applied April atmospheric atmospheric railways blades boiler broad gauge Canopus carriage 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 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
Δημοφιλή αποσπάσματα
Σελίδα 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.
Σελίδα 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.
Σελίδα 429 - Pleas, calling upon the plaintiff to show cause why the verdict should not be set aside...
Σελίδα 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...
Σελίδα 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...
Σελίδα 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.
Σελίδα 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.
Σελίδα 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.
Σελίδα 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.
Σελίδα 380 - ... current of blood through the umbilical vein and the more likely will the foetus be to suffer from their effects. From these observations I think we are justified in coming to the conclusion, that the administration of ergot of rye to a woman in labor is attended with danger to the child, whenever a time sufficient for the absorption and transmission of its noxious properties elapses before the child is born ; and from the cases above stated I am inclined to place two hours as the limit of safety...