Perspective and geometrical drawing adapted to the use of candidates for second and third-class teachers' certificates (1887)
McGuirl, Thomas H. [from old catalog] · Toronto, W. Briggs; · leaf 112
TRICAL DRAWING. 107 arc to meet former arc in D; join CD and BD, completingthe square. (Fig. Q6,) . (b) On a given diagonal AB. With centre A and distance greater than half of AB, de-scribe arc CD, and with centre B and same distance describean arc to cut former arc in C and D; join CD and… … Fig. 68. Let AB represent the greater side; erect AG perpendicularto AB at A, and with centre C and distance equal to ABdescribe an arc; with centre B and distance equal to ACdescribe an arc cutting former arc in D; join DC and DB,Gompleting the required oblong. (Fig. 68.) iVo. ^.—To divide a given…
Geometrical drawing · Perspective
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