Shaw's Civil architecture; being a complete theoretical and practical system of building, containing the fundamental principles of the art (1852)
Shaw, Edward · Boston, J. P. Jewett · leaf 107
side of the cylinder, and there the lightwill end and the darkness begin. PROBLEM IV. To represent the boundaries of light and shadeon the ele^■ation of a cone illumined by thesun, given the angle that any ray of light takeswith the base of the cone; also to determinethe line of light, or that…
Architecture · Building
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