raphy. ' permanently to the purpose. The whole arrangement is At the Bradford Colliery, England, recently, accurate pic- shown in Fig. 2, and is very handy, as the upper part can be tures of some underground workings in the mine were ob- raised to any desired hight, regulating the heat and draft,… … rity is dependent upon a normal condition of the brain. Novel Mode of Streugthening Cast Iron. The apparatus acts admirably as a small gas furnace for crucible operations, such as the fusion of silicates with car- The President, Mr. R. M. Bancroft, and members of the bonates of soda—as in the…
Patents · Iron · Steel · Machine · Improved · Scientific American · Patent office · Fourth claim · American supplement · Hand planing · Carbolic acid · Flower pot · Sewing machine · Hell gate · Cubic inch
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