THE PARK AVENUE TUNNEL CAVE-IN. toward the surface. On either side of the rock was 42 340A57 CAVE-IN SHOWING THE METHOD OF REPAIRS BY BULKHEADING AND GROUTING 30. 74\ NNX 200Fr 0 PLAN VIEW OF CAVE-IN SHOWING CRATER AND BULKHEADS. PROFILE OF THE EASTERLY TUNNEL SHOWING PRESENT STATE OF THE WORK. THE NEW BERMUDA FLOATING DOCK. BY H. J. SHEPSTONE. ET CONSTRUCTED, scientific american, 1902-04-05
Keywords:
PARK AVENUE TUNNEL CAVE-, surface, side, rock, 42 340A57 CAVE- SHOWING, METHOD, REPAIRS, BULKHEADING, GROUTING 30, 74\ NNX 200Fr 0 PLAN VIEW, CAVE- SHOWING CRATER, BULKHEADS, PROFILE, EASTERLY TUNNEL SHOWING PRESENT STATE, WORK, NEW BERMUDA FLOATING DOCK, H, J, SHEPSTONE, ET CONSTRUCTED, scientific american, 1902-04-05, 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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