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Show Metallic Clieoio. It has been a common theme of congratulation con-gratulation by not a few writers and philanthropists, says the London Lancet, that the days are over when people were poisoned by the indiscriminate indiscrim-inate practices of the adulteror, and that now they are only cheated. What will be said, then, of the announcement that both the salts of zine and lead arc used in the preparation of cheese? "Cheese spice" is the delectable name of crystallized sulphate of zinc, which, according ac-cording to Mr. Allen, the public analyst of Sheffield, is used to prevent the heaving heav-ing and cracking of cheese. Worse still, Mr. Stoddart, another public analyst, has described n sample of Canadian cheese in which he found metallic lead, and it is probable that the highly poisonous poi-sonous acetate of lead was employed for the same purpose as the sulphate of zinc. |