Sullivan, Christine [Gordon]. [from old catalog] · New York, Cincinnati [etc.] American book company · leaf 37
Fig. 53. 10. A quadrangular prism has a square for a base (Fig. 54). Exercise i. Exercise 2. Fig. 32 ELEMENTS OF MECHANICAL DRAWING. II. A quadrangular pyramid \\2.^ a square for a base (Fig. 55). … Exercise i.
Mechanical drawing
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