. Cassell's popular gardening. Gardening. Pig. 49.—Flange Fig. 50.—Ordinary Throttle-valve. Iron cements re- quire skilful pre- paration, as o\sdng to the chemical change which even- tually sets in, tightly - caulked joints often burst the sockets. When spigot and faucet pipes are used, red and white lead, thoroughly mixed, and strands of tar- red hawser - rope, make joints equal, and in many re- spects superior, to the best mineral cements. By the application of fire these joints can be fused and taken to pieces without breakage. An ex- cellent joint can be made by caulking with rope,
. Cassell's popular gardening. Gardening. Pig. 49.—Flange Fig. 50.—Ordinary Throttle-valve. Iron cements re- quire skilful pre- paration, as o\sdng to the chemical change which even- tually sets in, tightly - caulked joints often burst the sockets. When spigot and faucet pipes are used, red and white lead, thoroughly mixed, and strands of tar- red hawser - rope, make joints equal, and in many re- spects superior, to the best mineral cements. By the application of fire these joints can be fused and taken to pieces without breakage. An ex- cellent joint can be made by caulking with rope, and facing with Port- land cement; but, like the joints made with iron filings and sal-ammoniac, it is almost im- possible to disconnect them when once they are thoroughly set without breaking the pipes. Another joint (Fig. 49), which is now rapidly gaining favour, is made with socketless pipes, which butt together, and are kejjt perfectly water-tight by means of vulcanised india-rubber rings, drawn to- gether by two- flanges, which can be tightened with screws and nuts. The pipes being east without sockets, alterations or additions can be quickly made by'unskilled workmen, and any length can be re- moved and replaced with little Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Fish, David Taylor, 1824-1901; Fish, D. T. (David Taylor), 1824-1901. London ; New York : Cassell
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Keywords: ., bookcentury1800, bookdecade18, booksubjectgardening, bookyear1884
