Kushlan, Max. [from old catalog] · Chicago, The Branch publishing company · leaf 41
FIG. 23. Such sketches are usually supplemented with notesgiving the names and the directions for each part ofthe mechanism as well as the principal dimensions, sothat by the aid of such a rough free-hand sketch, wehave a clear idea as to the operation of the machine 36 FREE HAND DRAWING … FIG. 24. FREE HAND DRAWING 37 and the* space it would require, giving us enough datato enable us to make an exact working drawing of thesame machine, to scale. The shading of this drawing is similar to those dis-cussed above, including the shadow lines at the lowersupport of the crane. In all the…
Mechanical drawing
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