 | 1843 - عدد الصفحات: 750
...seven feet apart, and the whole is covered with lead, the boarding being supported by horizontal ledges of six by four inches. This is a beautiful roof, and...unnecessary, but it adds great stiffness to the whole." Fig. 4. The present roof of St. PauTs, Covent Garden. Fig. 4. In. In. A The tie -beam spanning 52 feet... | |
 | John Robison, James Watt - 1822 - عدد الصفحات: 758
...kt of 6 by 4 inches. This is a beautiful roof, and contains less timber than most others of the same dimensions. The parts are all disposed with great...effect if not so oblique. Those at the head of the posts are very effective. We may observe, however, that the joints between the straining beam and its... | |
 | John Robison, James Watt - 1822 - عدد الصفحات: 768
...is a beautiful roof, and contains less timber than most others of the same dimensions. The parts arc all disposed with great judgment. Perhaps the iron...effect if not so oblique. Those. at the head of the posts are very effective. We may observe, however, that the joints between the straining beam and its... | |
 | John Robison, James Watt - 1822 - عدد الصفحات: 770
...the whole is covered with lead, the boarding being supported by horizontal ledgers, A, A, of 6 by 4 inches. This is a beautiful roof, and contains less timber than most others of the same dimensions. The parts are all disposed with great judgment. Perhaps the iron rod... | |
 | 1843 - عدد الصفحات: 744
...lead, the boarding being; supported by horizontal ledges of six by four inches. This is a beauti r ul roof, and contains less timber than most of its dimensions....unnecessary, but it adds great stiffness to the whole." Fig. 4. The present roof of St. Paul's, Covent Garden. A The tie-beam spanning 52 feet 2 in. Fig. 4,... | |
 | Edward Wyndham Tarn - 1883 - عدد الصفحات: 190
...most others of the same dimensions. The Jl 33 -S c3 '*"* y it o8|g< ..I Is" S'ftS'S'g ROOFS OF WOOD. parts are all disposed with great judgment. Perhaps...whole. The iron straps at the rafter feet would have more effect if placed at a greater obliquity. Those at the head of the post are very effective. The... | |
 | Thomas Tredgold - 1885 - عدد الصفحات: 412
...apart, and the whole is covered with lead, the boarding being supported by horizontal ledgers, h, h, of six by four inches. This is a beautiful roof, and contains less timber than most others of the same dimensions. The parts are all disposed with great judgment. Perhaps the iron rod... | |
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... of 6 by 4 inches. This is a beautiful roof, and contains less timber than most others of the same dimensions. The parts are all disposed with great judgment. Perhaps the iron rod is unnecessary ; but it adds great stiffness to the whole. 