Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 180
o the obliquity of the faces. Since the right front corner of the rectangle in plan was made the point o in isometric, the shade lines must be the same in isometric as in actual projection; so that, if these can be de-termined ill Fig. 61,they may be appliedat once to Fig, 62.The shade linesin Fig.… … Fig. 64. plane, and parallel to the direction of the ray of light, in such aposition as to cut all the surfaces of the pyramid, as shown in 139 48 MECHANICAL DRAWING elevation. This plane is i^erpendicular to the Vertical plane; hencethe section it cuts from the pyramid is readily found in plan…
Architecture · Building · Carpentry
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