Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 257
^;(a 92. Problem XXV.To construct the shadowon a right cylinder of ahorizontal line. a. It will be the arcof a circle of the sameradius as that of the cyl-inder.- .b. The center of thecircle will be on the axisof the cylinder as far be-low the given line as thatline is in front of the _^ axis.… … TXO-AJ
Architecture · Building · Carpentry
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