Cleansing Streets and Ways in the Metropolis and Large Cities

Cleansing Streets and Ways in the Metropolis and Large Cities

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1884 edition. Excerpt: ...of which gave pretty hot evidence of the power expended in the cremation, without a grain of other fuel than that contained in the refuse itself; but the crucial test of all was when the smoke box, at the end of the boiler, through which all the fumes pass onwards to the chimney shaft, was opened, there was not the least odour, so completely had all organic matter been dissipated in the furnace. Again, when the clinkers and molten metal and glass, all fused together, were drawn, the only perceptible smell, and that very faint and momentary, was of a slightly sulphurous nature. "The fine dust deposited in the flues and carried for some distance up the chimney by the gases and smoke, falls back into the 'dust chamber, ' from whence it is removed when necessary and sold to farmers at 2s. 6d. per load. Large quantities of iron utensils, pots and pans, metal cases, tin, &c., fall to the front, and being raked out, and allowed to cool, sell for from 20s. to 30J. per ton." A new commercial product of marketable value has been created by the use of the Destructor; that is the clinker resulting from the process of burning the refuse. It is ground by heavy rolling mills into powder, which when mixed with-25 per cent. of lime and a suitable proportion of water, is converted into a useful mortar or cement, found to be very tenacious and hard, from the oxide of iron and silicious matter derived from the clinkers: small hard bricks are also made from the same material. The making of this mortar costs 4s. $d. per ton, inclusive of all labour and materials, and sells readily for $s. to $s. 6d. per ton; it will keep moist for forty-eight hours, and can be knocked up fresh for use when partially set, like any other mortar. It is valued by more

Product details

  • Paperback | 34 pages
  • 189 x 246 x 2mm | 82g
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236583833
  • 9781236583833