A WEEKLY JOURNAL OF PRACTICAL INFORMATION IN ART, SCIENCE, MECHANICS, CHEMISTRY AND MANUFACTURES. Vol. XII.—-No. 1.) I $3 PER ANNUM NEW YORK, JANUARY 2, 1865. (NEW SERIES.) J (IN ADVANCE.) JACOB'S SYSTEM OF WHEEL MAOTFACTTJKE. … auger, E, is moved up by the lever, F, and the shoul- chine the wheoljA, is placed on the table, B, and fast- and forming a handsome oval about the spoke hole. der, G, on the spoke, is also made to a specif! ed and ened there by the fixtures,C, so that while it is perfectly The rounded surface is…
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