The Mechanics' Magazine, Museum, Register, Journal, and Gazette, Том 15M. Salmon, 1849 |
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Стр. 4
... wheel ( being also the ex- tremity of a spoke , ) CH = x , HP - y , 0 the arc to radius unity described uni- formly by P around the axis of the wheel , and a the radius of the wheel . Then from the properties of the cy- cloid we have ...
... wheel ( being also the ex- tremity of a spoke , ) CH = x , HP - y , 0 the arc to radius unity described uni- formly by P around the axis of the wheel , and a the radius of the wheel . Then from the properties of the cy- cloid we have ...
Стр. 5
... wheel , and that of translation in the direction PE . - To estimate the velocity of P in the cycloidal arc , draw the tangent PT ( fig . 2 ) to the circum- Fig . 2 . ference at P , and HT perpendicular to PD , and let V - the velocity ...
... wheel , and that of translation in the direction PE . - To estimate the velocity of P in the cycloidal arc , draw the tangent PT ( fig . 2 ) to the circum- Fig . 2 . ference at P , and HT perpendicular to PD , and let V - the velocity ...
Стр. 17
... wheel rotating within it . The steam wheel is furnished with five pistons , connected together by packings , concave to the inside circum- ference of the cylinder , which is fitted with four steam stops , which are kept in constant ...
... wheel rotating within it . The steam wheel is furnished with five pistons , connected together by packings , concave to the inside circum- ference of the cylinder , which is fitted with four steam stops , which are kept in constant ...
Стр. 20
... wheels , to run on a tramway over a pit , in which is a vertical screw rod , which gear into a female screw , cast in the centre of a horizontal plate . The screw rod carries a toothed wheel underneath the horizontal plate , and is ...
... wheels , to run on a tramway over a pit , in which is a vertical screw rod , which gear into a female screw , cast in the centre of a horizontal plate . The screw rod carries a toothed wheel underneath the horizontal plate , and is ...
Стр. 21
... wheel by the action of a vibrating beam and catch , and through the intervention of endless bands . Where several rollers are employed , it is proposed that their peripheries should be coated with different substances of varying ...
... wheel by the action of a vibrating beam and catch , and through the intervention of endless bands . Where several rollers are employed , it is proposed that their peripheries should be coated with different substances of varying ...
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acid angle apparatus application arrangement Articles of Utility attached Attorney-General axle Birmingham boiler bottom carbonic acid carriage cause caveat centre chains claim coke combination connected consists construction curve cylinder described diameter disc driving bands effect employed ENGLISH PATENTS engravings fabrics feet fibrous flax frame furnace given glass Gutta Percha heat improvements inches invention iron JAMES COCKLE John length letters patent lever London Lord Advocate Lord Chancellor machine machinery manufacture material means ments Messrs metal method mode motion mould obtained Office oven pass Patent dated piece pipe piston placed plate present pressure Privy Seal produced provements pump purpose quantity railway ratus revolving rollers Samuel Bentham Scotland screw shaft ship side six months Smethwick solution specification steam engines supply surface Tessarine thereby tion tube valve vessel WEEKLY LIST weight wheel William wire
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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.