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1 - 5 találat összesen 83 találatból.
11. oldal
... ton - particulars of different constructions and materials , and results of working . RAILWAY WHEELS , wrought iron , cast iron , and wood - particulars of different constructions , and results of working - comparative expense and ...
... ton - particulars of different constructions and materials , and results of working . RAILWAY WHEELS , wrought iron , cast iron , and wood - particulars of different constructions , and results of working - comparative expense and ...
17. oldal
... tons ; of which about 40 tons are upon the centre pile , leaving from 16 to 17 tons to be borne by each of the eight corner piles . The ground in which the foundations have to be placed is a sandbank which is gradually extending itself ...
... tons ; of which about 40 tons are upon the centre pile , leaving from 16 to 17 tons to be borne by each of the eight corner piles . The ground in which the foundations have to be placed is a sandbank which is gradually extending itself ...
19. oldal
... ton considerably beyond that of ordinary sizes of bars or plates and no method of connecting the several lengths seemed economical enough to counterbalance the effect of the first cost of the bars . The actual expense so far would ...
... ton considerably beyond that of ordinary sizes of bars or plates and no method of connecting the several lengths seemed economical enough to counterbalance the effect of the first cost of the bars . The actual expense so far would ...
39. oldal
... tons of slack per day against the previous consumption of 5 tons per day for doing the same work ; one engine only was working now , instead of two , and was working up to 60 indicated horse power . The safety of the boiler was a great ...
... tons of slack per day against the previous consumption of 5 tons per day for doing the same work ; one engine only was working now , instead of two , and was working up to 60 indicated horse power . The safety of the boiler was a great ...
47. oldal
... tons of water . The maximum result in raising water with the apparatus is found to be at a speed of about 35 miles per hour , when the quantity raised amounts to as much as the above theoretical total : so that in order to allow for the ...
... tons of water . The maximum result in raising water with the apparatus is found to be at a speed of about 35 miles per hour , when the quantity raised amounts to as much as the above theoretical total : so that in order to allow for the ...
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Gyakori szavak és kifejezések
advantage armour plates Barnsley Birmingham bobbins boiler bolts bore bottom cast iron cast steel cent centre CHAIRMAN enquired chimney coal coke Colliery construction copper cost double cylinder engine durability elevator expansion feet flue Foundry frame fuel furnace girders groove gunstock gutta-percha heat hemp holes horizontal horse power inch thick inches diameter indicator diagrams John Leeds length lighthouse Locomotive London machine machinery Manchester manufacture Messrs metal mode Newcastle-on-Tyne obtained ordinary ovens packing rings paper passed piles pipe piston present Proceedings Inst produced puddling furnaces quantity rails Railway rivets round SAMPSON LLOYD Scale screw Section shaft sheathing Sheffield ship shown in Fig single cylinder small cylinder South Yorkshire spool square inch Staffordshire strands Street strength stroke surface condensers temperature thread tons transverse tubbing tubes Tursdale twist valve vertical Wednesbury weight wheel William wire rope wrought iron yarns Yorkshire
Népszerű szakaszok
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...