The Mirror of Literature, Amusement, and Instruction - Volume 12, No. 348, December 27, 1828 by Various
page 25 of 57 (43%)
page 25 of 57 (43%)
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_Method of Softening Cast-Iron_. The following method of rendering cast-iron soft and malleable may be new to some of your readers:--It consists in placing it in a pot surrounded by a soft red ore, found in Cumberland and other parts of England, which pot is placed in a common oven, the doors of which being closed, and but a slight draught of air permitted under the grate; a regular heat is kept up for one or two weeks, according to the thickness and weight of the castings. The pots are then withdrawn, and suffered to cool; and by this operation the hardest cast metal is rendered so soft and malleable, that it may be welded together, or, when in a cool state, bent into almost any shape by a hammer or vice. W.G.C. _Washing Salads, Cresses, &c._. A countryman was seized with the most excruciating pain in his stomach, and which continued for so long a period, that his case became desperate, and his life was even despaired of. In this predicament, the medical gentleman to whom he applied administered to him a most violent emetic, and the result was the ejection of the larva, and which remained alive for a quarter of an hour after its expulsion. Upon questioning the man as to how it was likely that the insect got into his stomach, he stated that he was exceedingly fond of watercresses, and often gathered and eat them, and, possibly, without taking due care, in freeing them from any aquatic insects they might hold. He was also in the frequent habit of lying down and drinking the |
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