of the Asso- ae Oe - Magnesium. | ciation, at the Novelty Works. The usefulness of magne- or Sagging of Grate Bars. culiar importance. Iron, zine our issue of Dec. 15th, that his grate burs bent and sagged to and cobalt are precipitated a great extent, R. J.S., of Ohio, remarks that it is customary… … under side exhibiting the working parts of the press. The | erally, however, the heated bars sag and remain bent. This composed and pure hydrogen is evolved with great rapidi- mill can be built either of wood or iron, or a combination of face against the ends of the bars affords a lodgment for…
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