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 62
H—H ^ 1/ /! ^.n \1 fV> Hanniciris Constrxictivc Drawing. 121.—Fig. 1.—Problem.—To construct a parabola when the axisand the base are given. Definition.—The parabola is a curve in which the distance ofany point from an outside right line (directrix) is equal to thedistance of this point from a…
Mechanical drawing
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