The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 367
Let the length of a side be 30 feet, and the height 38 feet. Letthe length of the radial vg be 40 in., and that of the radial r h 30 in.;then the distance between gA will be equal to 50 in. Upon the plane of the picture draw gk, and make it equal to 50 in.(See engraving bdow.) … Let the radial distance of gbe 120 feet; then the radial distanceof h will be JO feet. Suppose the distance a a, or tlie distance from a to the radialplane of g, to be bO feet; then for the distance from a to the radialplane of h we have 70 feet. The height of the eye is 5 feet. To find its…
Architecture · Civil engineering · Science
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