 | 1859 - 886 σελίδες
...feet apart ; and the whole structure was supported by five piers and two abutments of hewn masonry, twenty-six feet wide and eight feet in thickness,...foundations, which were constructed of piles and concrete. After crossing the Chegres, instead of low grounds and virgin forests, a beautiful stretch 11 AM ЕЕ... | |
 | Fessenden Nott Otis - 1862 - 292 σελίδες
...iron floor-girders three feet apart, and the whole structure supported by five piers HAND-BOOK OF THE and two abutments of hewn stone twenty-six feet wide...wood ties were removed, and replaced with ties of lignum-vitas, imported from the province of Carthagena. Additional buildings for the accommodation... | |
 | Bedford Pim - 1863 - 528 σελίδες
...floor-girders, three feet apart, and the whole structure is supported by five piers and two abutments twentysix feet wide and eight feet in thickness, increasing...inch to the foot down to their foundations, which are constructed of piles and concrete. The highest point of the line is 37^ miles from the Atlantic,... | |
 | Bedford Pim, John Collinson - 1866 - 38 σελίδες
...3 feet apart, and the whole structure is supported by 5 5 piers and 2 abutments, 26 feet wide and 8 feet in thickness, increasing in the proportion of...inch to the foot down to their foundations, which are constructed of piles and concrete. The highest point of the line is 37f miles from the Atlantic,... | |
 | Fessenden Nott Otis - 1867 - 336 σελίδες
...water. But the road at this time, though in working order and performing a large and daily -increasing service, was by no means actually completed. Much...wood ties were removed, and replaced with ties of lignum-vitae, imported from the province of Carthagena. Additional buildings for the accommodation... | |
 | Hezekiah Butterworth - 1904 - 378 σελίδες
...floor-girders three feet apart, and the whole structure is supported by five piers and two abutments twenty-six feet wide and eight feet in thickness,...inch to the foot down to their foundations, which are constructed of piles and concrete. "The highest point of the line is 37^ miles from the Atlantic... | |
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... stone twenty-six feet wide and eight feet in thickness, increasing in the proportion of an. inch to the foot down to their foundations, which were constructed of piles and concrete. The ballasting, which was, however, previously well under way, was... 