e on rivers Contained in SCLUNTIFIC AMERICAN SUPPLEMENT, No. better and a more prosperous future?” Containedin 169 and lakes. Construction of hulls. deck beams. main ScI@nTIFIC AMERICAN SUPPLEMENT, No. 5°24. Price 525. Price 10 cents. To be had at this officeand from deck, upper works, engine and… … To Business Men. ELECTRIC CONVEYORS.—DESCRIP- tion of two ingenious systems for the electric carriage FOR 1886. Address JOHN A. ROEBLING’S SONS. Manufactur- of small packages. Illustrated with 13 engravings. Con- The Most Popular Scientific Paper in the World. ers, Trenton, N. J., or 117 Liberty…
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