Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 774
shut it off, and open a third, leaving the second toperform the duties of the first, and so on. The quantity of lime required for the complete purification of coal gas varies very much with thequality of the lime and the gas; that coal which produces the greatest volume of sulphuretted hydro-gen… … At the Imperial Gas-Works, London, one bushel of quicklime purifies on an average 10,000 cubicfeet of gas, the price of lime being Id. per bushel. The lime is used both as a hydrate and in the fluidstate, in the following proportions:—For the purification of 1,000,000 cubic feet, the produce in…
Mechanical engineering
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