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 175
rmed by having them twoor more bricks deep, or they may be rough andturned in half-brick rings, 4>^ inches thick, asshown at hh in Fig. 140. In arches of quickcurve, with not more than 2 or 3 feet radius,this method is absolutely necessary to prevent 140 ARCHII^fiCTURAL DRAWING SELF TAtTGH!^…
Architectural drawing
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