Glasgow Mechanics' Magazine, and Annals of Philosophy, Volym 4W.R. M'Phun., 1826 |
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Sida 34
... oxygen gas , without which it will not inflame . It is likewise known that any air admitted into the body of the furnace , if it does not go through the burning fuel , has a great tendency to cool the bottom of the boiler , and retard ...
... oxygen gas , without which it will not inflame . It is likewise known that any air admitted into the body of the furnace , if it does not go through the burning fuel , has a great tendency to cool the bottom of the boiler , and retard ...
Sida 43
... oxygen of the air , and which must necessarily be very intense ; but as it is quickly dissipated , the matter soon becomes solid , and assumes a crystalline structure , if not cooled too suddenly . A similar phenomenon is seen in the ...
... oxygen of the air , and which must necessarily be very intense ; but as it is quickly dissipated , the matter soon becomes solid , and assumes a crystalline structure , if not cooled too suddenly . A similar phenomenon is seen in the ...
Sida 44
... oxygen combined with the same quantity of iron are respectively :: 6 : 7 : 8 : 9 . This oxide is formed whenever iron is in contact with a more oxy- genated oxide at a white heat , or when heated in contact with the air , so as not ...
... oxygen combined with the same quantity of iron are respectively :: 6 : 7 : 8 : 9 . This oxide is formed whenever iron is in contact with a more oxy- genated oxide at a white heat , or when heated in contact with the air , so as not ...
Sida 61
... oxygen , they should have a great tendency to combine with that body ; whereas , not only are they wholly unalterable by expos- ure to the air , but are acted on even by concentrated and boiling acid only very slowly and with great ...
... oxygen , they should have a great tendency to combine with that body ; whereas , not only are they wholly unalterable by expos- ure to the air , but are acted on even by concentrated and boiling acid only very slowly and with great ...
Sida 63
... oxygen through the oxides , just as the ox- ides attract the carbon through the metallic iron . These effects must have certain limits , which it would be impor- tant to ascertain , as they may per- haps furnish an explanation of the ...
... oxygen through the oxides , just as the ox- ides attract the carbon through the metallic iron . These effects must have certain limits , which it would be impor- tant to ascertain , as they may per- haps furnish an explanation of the ...
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acid alkali ammonia animal appear arts atomic atomic weight axle beautiful Blantyre bleaching boat body boiler boiling bottom carbon carbonic acid cause centre chlorine colour common Communications post paid constructed contain copper cubic inches cylinder diameter discharging earth Edingtonite effect engine equal ergot experiments eyes feet fire fluid Flux furnace give Glasgow glass grains heat hydrogen improvement Institution invention iron labour lectures length lever lime liquor machine Magazine manganese manner means Mechanics ment metal method mode motion muriatic muriatic acid nature nitric acid object observed obtained oxide oxygen pass piece pipe piston plate potash pounds present produced proportion prussic acid pump purpose quantity render salt side Society soda solution specific gravity steam substance sulphuric sulphuric acid surface temperature thick Thomson tion Trongate tube vapour vessel volume weight wheel whole wood
Populära avsnitt
Sida 142 - But, first, whom shall we send In search of this new World ? whom shall we find Sufficient...
Sida 333 - AH ! who can tell how hard it is to climb The steep where Fame's proud temple shines afar...
Sida 33 - ... and leads us towards perfection. A middle-aged ploughman will scarce ever be brought to the carriage and language of a gentleman, though his body be as well proportioned, and his joints as supple, and his natural parts not any way inferior.
Sida 177 - With gold and gems if Chilian mountains glow ; If bleak and barren Scotia's hills arise ; There plague and poison, lust and rapine grow ; Here peaceful are the vales, and pure the skies, And freedom fires the soul, and sparkles in the eyes. : Then grieve not, thou, to whom th
Sida 154 - The weights I use are one globule of gold which weighs one grain, and two or three others which weigh onetenth of a grain each ; and also a number of small rings of fine brass wire, made in the manner first mentioned by Mr. Lewis, by appending a weight to the wire, and coiling it with the tension of that weight round a thicker brass wire in a close spiral, after which the extremity of the spiral being tied hard with waxed thread, I put the covered wire in a vice, and applying a sharp knife, which...
Sida 90 - Mechanist, in consequence of a communication made to him by a certain Foreigner, residing abroad...
Sida 335 - One part, one little part, we dimly scan Through the dark medium of life's feverish dream ; Yet dare arraign the whole stupendous plan, If but that little part incongruous seem.
Sida 155 - You will perceive that by means of these weights placed on different parts of the beam, I can learn the weight of any little mass from one grain, or a little more, to the -j-'j,-, of a grain.
Sida 155 - If on the contrary it weigh one grain and a fraction, it will be counterpoised by the heavy gold weight at the extremity, and one or more of the lighter ones placed in some other part of the beam. This beam...
Sida 154 - The fulcrum is a bit of plate brass, the middle of which lies flat on my table when I use the balance, and the two ends are bent up to a right angle so as to stand upright. These two ends .are ground at the same time on a flat hone, that the extreme surfaces of them may be in the same plane ; and their distance is such that the needle when laid across them rests on them at a small distance from the sides of the beam.