The Mechanics' Magazine, Museum, Register, Journal, and Gazette, Том 15M. Salmon, 1849 |
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Стр. 13
... practice , for that would be , to assume that he engrossed in his single person all the practical skill of the country ; but looking to the facts of the case as they stand , and as we see them established in the volume before us ...
... practice , for that would be , to assume that he engrossed in his single person all the practical skill of the country ; but looking to the facts of the case as they stand , and as we see them established in the volume before us ...
Стр. 29
... practice that the following proportions answer well for high velocities ; namely , to allow for every twenty circular inches in the pis- ton , one square inch for the steam ports , and three square inches for the middle opening . And in ...
... practice that the following proportions answer well for high velocities ; namely , to allow for every twenty circular inches in the pis- ton , one square inch for the steam ports , and three square inches for the middle opening . And in ...
Стр. 35
... practice , viz . , because of the complexity of the burners , each of which was an entire lamp and reservoir . I stated - not that the lamps or the principle of the light was a failure ( for I am certain they must have answered , and ...
... practice , viz . , because of the complexity of the burners , each of which was an entire lamp and reservoir . I stated - not that the lamps or the principle of the light was a failure ( for I am certain they must have answered , and ...
Стр. 52
... practice . The reason of the rule is very simple ; it is obvious that if we combine every separate figure in the multiplier with every separate figure in the multiplicand , and add all the products , properly arranged in the decimal ...
... practice . The reason of the rule is very simple ; it is obvious that if we combine every separate figure in the multiplier with every separate figure in the multiplicand , and add all the products , properly arranged in the decimal ...
Стр. 55
... practice will , no doubt , increase them . * * The long tube , with its terminating per- forated box , is best made in one piece of glazed earthenware , that it may resist , the action of chemical agents . I have had some made by Alcock ...
... practice will , no doubt , increase them . * * The long tube , with its terminating per- forated box , is best made in one piece of glazed earthenware , that it may resist , the action of chemical agents . I have had some made by Alcock ...
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Стр. 214 - Lordship then reserved leave to the defendant to move to enter the verdict for him if the Court above should be of opinion that the combination of the
Стр. 368 - Like leaves on trees the race of man is found, Now green in youth, now withering on the ground; Another race the following spring supplies; They fall successive, and successive rise: So generations in their course decay; So flourish these, when those are pass'd away.
Стр. 246 - America, but know that we are alive, that two and two make four, and that the sum of any two sides of a triangle is greater than the third side.
Стр. 395 - ... prove of a nature adverse to notions he may have previously formed for himself, or taken up, without examination, on the credit of others. Such an effort is, in fact, a commencement of that intellectual discipline which forms one of the most important ends of all science. It is the first movement of approach...
Стр. 27 - It is better, on this account, in graduating the bottle, to make two scratches as represented in the drawing, one at the top and the other at the bottom of the curve : this prevents any future mistake.
Стр. 397 - Venus a pea, on a circle of 284 feet in diameter; the earth also a pea, on a circle of 430 feet; Mars a rather large pin's head, on a circle of 654 feet; the asteroids, grains of sand, in orbits of from 1000 to 1200 feet; Jupiter a moderate-sized orange, in a circle nearly half a mile across...
Стр. 206 - Man [colonies to be mentioned, if any], and amongst all and every the subjects of us, our heirs and successors, whatsoever and wheresoever, notwithstanding the not full and certain describing the nature or quality of the said invention, or of the materials thereunto conducing and belonging.
Стр. 566 - It is the opinion of the Lords Commissioners of the Admiralty, that it would be to the honour and advantage of the Navy, and conduce to the general interests of science, if new facilities and encouragement were given to the collection of information upon • scientific subjects by the officers, and more particularly by the medical officers, of Her Majesty's Navy, when upon foreign service...
Стр. 527 - Surveyor, for Certain improvements in grates or grids, applicable to sewers, drains, and other similar purposes.
Стр. 397 - Uranus a full-sized cherry, or small plum, upon the circumference of a circle more than a mile and a half in diameter. As to getting correct notions on this subject by drawing circles on paper, or, still worse, from those very childish toys called orreries, it is out of the question.