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 34
unit the same number of squares as in Fig. 7. Transferthe points of intersection of the irregular outline with the sidesof the squares, in reducing their distances from the vertices ofthe squares by scale Fig. 8, and transfer into Fig. 9. Connectthese points by a free-hand Une, which is the…
Mechanical drawing
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