Thorne, William H[enry], 1847- [from old catalog] · Philadelphia, Williams, Brown & Earle · leaf 59
se openingsin the side elevation furnish a good opportunity for the student to utilize what he hasalready learned about projection. CONSTRUCTION DRAWING OF ENGINE. PLATE 34. This is a drawing of the complete Engine. It is commonly called the Construc-tion Drawing and is the original one made in… … MECHANICAL DRAWING. 49 by the designer. The Plate is to a scale of § to a foot, or one-sixteenth, and conse-quently many of the small parts and dimensions are obscure, so that in some casesreference will have to be made to the detail drawings. It is preferable to use a scale of 6 inches to the foot…
Mechanical drawing
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