Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 167
he position of the stationpoint is shown by its two projections SP and SP\ The vanish- 135 52 PEKSPECTIVE DRAWING. ing point for the line ad will be found at v^ in the usual man-ner. In a similar way, the vanishing ])oint for the line ed, whichforms the base of the isosceles triangle, will be found… … below the point e. e^d^ mil vanish at v^^, and determine by itsintersection with a^d^ the leng-th of that line. e^a^d^ is theperspective of the isosceles triangle cad. If the line ad in the diagram is divided in any manner bythe points t, s, and r, the pei-spectives of these points may befound on…
Architecture · Building
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