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97. oldal - Nobody, however, who has paid any attention to the peculiar features of our present era, will doubt for a moment that we are living at a period of most wonderful transition, which tends rapidly to accomplish that great end, to which, indeed, all history points — the realization of the unity of mankind.
245. oldal - I employ the steam after it has acted in the first vessel to operate a second time in the other, by permitting it to expand itself, which I do by connecting the vessels together, and forming proper channels and apertures, whereby the steam shall occasionally go in and out of the said vessels. Thirdly, I condense the steam, by causing it to pass in contact with metallic substances, while water is applied to the opposite side.
97. oldal - ... we are living at a period of most wonderful transition, which tends rapidly to accomplish that great end, to which, indeed, all history points — the realisation of the unity of mankind. Not a unity which breaks down the limits and levels the peculiar characteristics of the different nations of the earth, but rather a unity, the result and product of those very national varieties and antagonistic qualities.
13. oldal - ... meters — pressure of gas, gas exhauster — gas pipes, strength and durability, and construction of joints — proportionate diameter and length of gas mains, and velocity of the passage of gas — experiments on ditto, and on the friction of gas in mains, and loss of pressure.
11. oldal - MILLS, facts relating to construction and working, by stampers, by screw presses, and by hydraulic presses — particulars of crushing rollers and edge stones. COTTON MILLS, information respecting the construction and arrangement of the machinery — power employed, and application of power — cotton presses, mode of construction and working, power employed — improvements in spinning, carding, and winding machinery, &e.
109. oldal - President, in the Chair. The Minutes of the last General Meeting were read and confirmed. The CHAIRMAN announced that the Ballot Papers had been opened by the Committee appointed for the purpose, and the following New Members were duly elected : — MEMBERS.
8. oldal - ... bottoms clean — galvanic action nature, and preventives. ALLOYS OF METALS, facts relating to different alloys. FRICTION OF VARIOUS BODIES, facts relating to friction under ordinary circumstances — facts on increase of friction by reduction of surface in contact — friction of iron, brass, copper, tin.
97. oldal - Gentlemen — the Exhibition of 1851 is to give us a true test and a living picture of the point of development at which the whole of mankind has arrived in this great task, and a new startingpoint from which all nations will be able to direct their further exertions.
15. oldal - Diagrams to be on a large scale and strongly coloured, so as to be clearly visible to the meeting at the time of reading the paper.
139. oldal - ... in this frothy fluid state it presents an enormous surface to the action of the air, which unites rapidly with the carbon contained in the crude iron and produces a most intense combustion, the whole mass being in fact a perfect mixture of metal and fire. The carbon is now burnt off so rapidly as to produce a series of harmless explosions, throwing out the fluid slag in great quantities ; while the combustion of the gases is so perfect that a voluminous white flame rushes from the mouth of the...

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