. The elements of railroad engineering . g; made of (i X 6-inch timber. The hull is furtherbraced in the center by two 3 X 12-inch yellow pine braces/i, and tie-rods or log chains k of iron If inches in diam-eter. Wale pieces and fender plank / 3 inches thick protectthe outside of the hull against chafing; the deck has a crownof about 6 inches in its total width. The leaders ;;/, /// are made of two pieces of 12 X 12 yel-low pine 67 feet long from out to out, with inside guides /iof 4 X 5-inch stuff protected by plate iron one-fourth inchthick; five-eighths inch bolts with countersunk heads fa
. The elements of railroad engineering . g; made of (i X 6-inch timber. The hull is furtherbraced in the center by two 3 X 12-inch yellow pine braces/i, and tie-rods or log chains k of iron If inches in diam-eter. Wale pieces and fender plank / 3 inches thick protectthe outside of the hull against chafing; the deck has a crownof about 6 inches in its total width. The leaders ;;/, /// are made of two pieces of 12 X 12 yel-low pine 67 feet long from out to out, with inside guides /iof 4 X 5-inch stuff protected by plate iron one-fourth inchthick; five-eighths inch bolts with countersunk heads fas-ten the inner guides to the main sticks and at the same timesecure the iron work to the same. The bottoms of the leaders 1012 RAILROAD CONSTRUCTION. are connected with the 12 X 12-inch bed pieces o by twotimber knees not shown, and are tied at the top by the cap/.The arrangement of the back braces q, r, and^ is clearlyshown in the elevation. Their dimensions are, respectively,6 X 12, 5 X 10, and 5 X 12 inches. They are of yellow pine. 9 / yt)^ B
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
