Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 230
nt in the chimney on the roof. For example,take the point h. If we draw the profile projection of the raythrough the point Jp until it intersects the ground line Ap^p, anddraw from this point of intersection a horizontal line across untilit intersects the vertical projection of the ray drawn… … Before completing the shadow of the chimney upon the rooflet us consider the shadow of the flat band on the main part of thechimney. This band projects the same amount on all sides. Onthe left-hand and front faces it will cast a shadow on the chimneyproper. Only the shadow on the front face Will be…
Architecture · Building · Carpentry
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