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. 1905 edition. Excerpt: ...in lengths of 2, 2% and 3 ft., to allow for breaking joints in laying. The body of the slabs is cpmposed of 4 parts of mediumsized clinker to 1 part of Portland cement, and the upper Vi-tn., or wearing surface, of 3 parts of granite screenings to 1 part of Portland cement. The slab molds, of which there are ...
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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. 1905 edition. Excerpt: ...in lengths of 2, 2% and 3 ft., to allow for breaking joints in laying. The body of the slabs is cpmposed of 4 parts of mediumsized clinker to 1 part of Portland cement, and the upper Vi-tn., or wearing surface, of 3 parts of granite screenings to 1 part of Portland cement. The slab molds, of which there are three, rest horizontally on a table which revolves on a vertical shaft: while one mold is being filled, the contents of another are being pressed and a third is being emptied. The material which is to form the wearing surface is placed at the bottom of the mold and rests on a perforated plate, made of an I observed small flagstones in many places in England, and I also observed that the small sizes were handy on account of the ease with which the flags could be removed for laying wire ducts beneath the sidewalks. aluminum alloy. Above the plate is a piece of brown paper, which serves as a filter paper. The perforated plate gives the top of the flags an irregular appearance which is more pleasing to the eye than a smooth surface. The hydraulic power pumps maintain a pressure of 2,000 lbs. per sq. in. on the slabs for about a minute. Four men can make 20 slabs an hour, regardless of length. The slabs are stacked on edge in the yard for some three months to dry in the open air. The ashes that fall through the destructor grates, I was told, sell readily at the works for 6 d., or 12 cts., per long ton. They are used for building purposes. The flue dust is sifted and carbolic acid is added to it to make a disinfectant for borough work. Some of the powder is placed in refuse receptacles, when the latter are wet, and some is given away in pound packages to anyone who calls for it. The cans, or tins, are flattened, baled and carted away at a cost to...
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Add this copy of Notes on British Refuse Destructors: With and to cart. $53.62, good condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Santa Clarita, CA, UNITED STATES, published 2016 by Palala Press.
