Kushlan, Max. [from old catalog] · Chicago, The Branch publishing company · leaf 32
FREE HAND DRAViJING 27 impression of the actual building as it appears to oureyes under similar circumstances. Fig. 20 illustrates the same principles of perspective … applied to an object having several curved lines aswell as straight edges. The portable blackboardshown here has rounded corners at the bottom pieces 28 FREE HAND DRAWING of the supporting frame, also some rollers andcurved iron rods to support the brackets and to stiffenthe wooden frame. All these…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
