The Mechanics' Magazine, Museum, Register, Journal, and Gazette, Том 15M. Salmon, 1849 |
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Стр. 7
... heat observed in this alloy , near its melting point , is not owing to the commencement of fusion , as might be imagined , but to a new kind of latent heat , of which the following experi- ment shows the evolution : -A glass bulb ...
... heat observed in this alloy , near its melting point , is not owing to the commencement of fusion , as might be imagined , but to a new kind of latent heat , of which the following experi- ment shows the evolution : -A glass bulb ...
Стр. 8
... heat of fusion ; nor should it be con- sidered as being simply specific heat - it is heat due in a great measure to change of constitution , which may take place in an alloy completely solidified and considerably below its melting point ...
... heat of fusion ; nor should it be con- sidered as being simply specific heat - it is heat due in a great measure to change of constitution , which may take place in an alloy completely solidified and considerably below its melting point ...
Стр. 17
... heat of the burner tube , as to produce a thick pitch- like substance , which has the effect of ex- tinguishing the light . Now the object of the present improvements is ; firstly , to purify the oleic acid , by mixing with it dilute ...
... heat of the burner tube , as to produce a thick pitch- like substance , which has the effect of ex- tinguishing the light . Now the object of the present improvements is ; firstly , to purify the oleic acid , by mixing with it dilute ...
Стр. 19
... heat , and kept con- stantly stirred from side to side to prevent the ore from agglutinizing . After a certain time , the ore is tested by a portion being withdrawn and mixed with water ; and if , after settling , the water on being ...
... heat , and kept con- stantly stirred from side to side to prevent the ore from agglutinizing . After a certain time , the ore is tested by a portion being withdrawn and mixed with water ; and if , after settling , the water on being ...
Стр. 24
... Heat of certain Alloys . By M. C. C. Person ............. ................................. Messrs . Brooke and Son's Registered Water- Tight Nipple and Percussion Cap- ( with en- gravings ) Messrs . Ashford's Registered Holder for ...
... Heat of certain Alloys . By M. C. C. Person ............. ................................. Messrs . Brooke and Son's Registered Water- Tight Nipple and Percussion Cap- ( with en- gravings ) Messrs . Ashford's Registered Holder for ...
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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.