THE GREAT RAILWAY TUNNEL UNDER THE BT. CLAIR RIVER BETWEEN THE UNITED STATES AND CANADA. Fig. ISectional elevation and plan of tunnel ; A pump shaft B trick air shafts. C cuttings DD bulkheads. Fig 2Cross section of tunnel and river. Fig. 3 Map showing location. Fig.4Plan of Pt. Huron and Sarnia showing position of tunnel. Fig. 5Section and plan of iron shoe of shaft. Fig. 6Segment of cast iron of which the tunnel Is composed. THE GREAT RAILWAY TUNNEL UNDER THE ST. CLAIR RIVER BETWEEN THE UNITED STATES AND CANADA., scientific american, 1890-08-09
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GREAT RAILWAY TUNNEL UNDER, BT, CLAIR RIVER BETWEEN, UNITED STATES, CANADA, Fig, ISectional elevation, plan, tunnel, pump shaft B trick air shafts, C cuttings DD bulkheads, Fig 2Cross section, tunnel, river, Fig, 3 Map showing location, Fig.4Plan, Pt, Huron, Sarnia showing position, tunnel, Fig, 5Section, plan, iron shoe, shaft, Fig, 6Segment, cast iron, tunnel, composed, GREAT RAILWAY TUNNEL UNDER, ST, CLAIR RIVER BETWEEN, UNITED STATES, CANADA, scientific american, 1890-08-09, science, scientific, sciences, mind, health, tech, sustainability, publication, lab, sciam, sa, scientist, research, american, experiment, education, discovery, technology, analysis, magazine, u.s., insights, developments, weekly, broadsheet, inventor, innovation, inventions, patented, industrial revolution, emerging, trends, monthly magazine, united states, engravings, curious works, paper, discover, Scientific Paper, Weekly Journal, Practical Information, Art, Science, Mechanics, Chemistry, Manufactures, research, education, scientist, innovation, 19th century, vintage, america, Rufus M. Porter, 1845, journal, academic, newspaper illustrations, retro style, old-fashioned, media illustrations, victorian style, news, newspaperheadline, 19th century style, illustration, journalism
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