jril,.1in,mt*TFi»J"iPnl" ** A WEEKLY JOURNAL OF PRACTICAL INFORMATION IN ART, SCIENCE, MECHANICS, CHEMISTRY AND MANUFACTURES. SINGLE COPIES SIX CENTS. NEW YORK, MARCH 5, 1864. Vol. X.—No. 10.1 $3 PER ANNUM-IN ADVANCE. (NEW SERIES.) ) … MARSH'S PLAN FOB ASCENDING THE WHITE MOUNTAINS BT STEAM. As the cost of building railroads is very much in- constructed the same as Mr. Fell's. We may add the trains run over the Alleghany Mountains by wind- creased by the natural inequalities of the country ing along the sides in a zig-zag manner,…
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