ntal Work value of this branch of the service. Contained in_Sci- INFLUENCE MACHINES.—A PAPER Steam Engine as a Prime Mover is based. With 106 illus- ENTIFIC AMERICAN SUPPLEMENT, No. 664. Price trations. Price... operons a by James Wimshurst, giving a complete account of the 10 cents. To be had at… … ELECTRICAL WELDING.—DESCRIP- PETROLEUM FUEL—AN ACCOUNT SMELTING and REFINING WORKS COMPLETE, Useful, Beautiful, and Cheap. tion of a method of welding by electricity devised by ¥ the Pennsylvania Railroad’s experiments with the A'T RECEIVER’S SALE, Mr. N. Von _Benardos, of St. Petersburg. ith 38…
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