Builder's architectural drawing self-taught : containing descriptions of drawing instruments and accessories, with rules for using them, and hints as to their care and management ... (1903)
Hodgson, Fred. T. (Frederick Thomas), 1836-1919 · Chicago : F.J. Drake & Co. · leaf 121
round point wears away very rapidly, andwill hardly make even one fine line, whereas if ARCHITECTURAL DRAWING SELF TAUGHT 95 the edge be kept the full thickness of the leadin the direction of the line the pencil will lastvery much longer and produce better work; theflat faces of the lead point may…
Architectural drawing
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