Constructive drawing. A text-book for home instruction, high schools, manual training schools, technical schools and universities (1904)
Hanstein, Herman. [from old catalog] · Chicago, New York [etc.] Keuffel & Esser co. · leaf 26
lo-gram EFBA==CDBA = QHBA. In a polygon any right line which passes through two non-consecutive vertices of its circumferential angles is called adiagonal, ITieorem.-Either diagonal divides the parallelogram into twoequal triangles. 85.—Fig. 6.—Problem.—To construct a rectangle equivalent to…
Mechanical drawing
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