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Before I could reply there came a scuffling sound from the bank above us, and the snapping of branches and twigs. It was Mr. Cooke. His descent, the personal conduction of which he lost half-way down, was irregular and spasmodic, and a rude concussion at the bottom knocked off a choice bit of profanity which was balanced on the tip of his tongue.
I say slender support, for it is evident that in order to confine the heat more completely to the incandescing body its support should be very thin, so as to carry away the smallest possible amount of heat by conduction. Of all the supports used I have found an ordinary incandescent lamp filament to be the best, principally because among conductors it can withstand the highest degrees of heat.
The drying up would of course occur if the conducting portions are steeped in turpentine, preventing the conduction of water from below. The mycelium lives for years in the cortex, and may be found killing the young tissues just formed from the cambium during the early summer: of course the annual ring of wood, etc., is here impoverished.
Forcing conduction through the nerves, by means of my artificial apparatus, I rouse the susceptibility of the nerves until they will normally conduct the "nervous influence" or electro-vital fluid, as I term it, and the paralysis is removed.
This small gap is a place of bad conduction and of the piling up of atoms, producing heat, burning, light. In the body of the lamp there are appliances for the automatic holding apart of the two points of the carbon, and the causing of them to continually creep together, yet never touch. Many devices have been contrived to this end.
The mathematical law whereby the proportions of insulation to conduction are determined had not been fully investigated; and it was even argued by some of the pretended electricians in the employ of the company, that, the smaller the conductor, the more rapidly the current could pass through it.
But, in virtue of a second factor, the difference would be much greater than that consequent on these geometrical relations. The escape of heat from a cooling mass is effected by conduction, or by convection, or by both. In a solid it is wholly by conduction; in a liquid or gas the chief part is played by convection by circulating currents which continually transpose the hotter and cooler parts.
From which places when they were a little departed Master Willoughbie the General, a man of good foresight and providence in all his actions, erected and set out his flag, by which he called together the chiefest men of the other ships, that by the help and assistance of their councils the order of the government and conduction of the ships in the whole voyage might be the better: who being come together accordingly, they conclude and agree that if any great tempest should arise at any time, and happen to disperse and scatter them, every ship should endeavour his best to go to Wardhouse, a haven or castle of some name in the kingdom of Norway, and that they that arrived there first in safety should stay and expect the coming of the rest.
But as the body is constantly losing heat by radiation and conduction, it is evident that if the standard temperature be maintained, a certain amount of heat must be generated within the body to make up for the loss externally. The heat thus produced is known as animal or vital heat. This generation of heat is common to all living organisms.
In all physical processes heat is evolved, which heat is distributed by conduction and radiation and tends to become universally diffused throughout space. When complete uniformity has been attained, all physical phenomena will come to an end; in other words, our solar system must come to an end, and it must have had a beginning. It is a well-known argument.
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