 | 1853 - 708 Seiten
...to a height of 62 feet above the principal floor. The system of wroughtiron trusses which connects them together at the top, and is supported by them,...ribs are bolted to a horizontal ring of wrought and cast iron, which has a diameter of 20 feet in the clear, and is surmounted by the lantern. As in the... | |
 | 1853 - 706 Seiten
...sides. They receive a cast-iron bed-plate to which the cast-iron shoes for the ribs of the dome arc bolted. The latter are 32 in number. They are constructed...trellis-work. The requisite steadiness is secured by tic-rods, which brace them both vertically and horizontally. At the top. the ribs are bolted to a horizontal... | |
 | Association for the Exhibition of the Industry of All Nations - 1854 - 96 Seiten
...to a height of 62 feet above the principal floor. The system of wronght-iron trusses which connects them together at the top, and is supported by them,...both vertically and horizontally. At the top, the riba are bolted to a horizontal ring of wrought and cast-iron, which has a diameter of 20 feet in the... | |
 | 1857 - 676 Seiten
...to a height of 62 feet above the principal floor. The system of wroughtiron trusses which connects them together at the top, and is supported by them,...the top, the ribs are bolted to a horizontal ring of wromght and cast iron, which has a diameter of 20 feet in the clear, and is surmounted by the lantern.... | |
 | R. M. DEVENS - 1876 - 1014 Seiten
...cast-iron bed-plate, to which the cast-iron shoes for the ribs of the dome were bolted, the latter being constructed of two curves of double angle-iron, securely...together by trellis-work, the requisite steadiness being secured by tie-rods, which braced them both vertically and horizontally. At the top, the ribs... | |
 | Richard Miller Devens - 1879 - 680 Seiten
...cast-iron bed-plate, to which the cast-iron shoes for the ribs of the dome were bolted, the latter being constructed of two curves of double angle-iron, securely...together by trellis-work, the requisite steadiness being secured by tie-rods, which braced them both vertically and horizontally. At the top, the ribs... | |
 | Richard Miller Devens - 1883 - 746 Seiten
...cast-iron bed-plate, to which the cast-iron shoes for the ribs of the dome were bolted, the latter being constructed of two curves of double angle-iron, securely...together by trellis-work, the requisite steadiness being secured by tie-rods, wbich braced them both vertically and horizontally. At the top, the ribs... | |
 | 1858 - 720 Seiten
...to a height of 62 feet above the principal floor. The system of wroughtiron trusses which connects them together at the top, and is supported by them,...ribs are bolted to a horizontal ring of wrought and cast iron, which has a diameter of 20 feet in the clear, and is surmounted by the lantern. As in the... | |
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The dome is supported by 24 columns, which rise beyond the second story, and to a height of 62 feet above the principal floor. The system of wroughtiron trusses which connects them together at the top, and is supported by them, forms two concentric polygons,... 