Inside Out Library
Scientific American, Vol. 36, No. 21 (May 1877) (1877)
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lvania and Newark and New York railroads are thus con- emerging. The line through the new tunnel will be straight has been in arching and enlarging the roof of the tunnel for ducted through; but further to the north the elevation no from the Hoboken terminus to the Hackensack river, gain- the same.… … THE ENGINEERING WORKS OF THE DELAWARE, LACKAWANNA, AND WESTERN RAILROAD, HOBOKEN, N * © 1877 SCIENTIFIC AMERICAN, INC.Improved · Iron · Machine · Consists · Sewing · Patents · Sewing machine · Cobra · Seyed emman · Find directions · Scientific American · Citric acid · Horse power · Address munn · Wrought iron · Cast Iron · American supplement
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