Easy steps in architecture and architectural drawing .. (1915)
Hodgson, Frederick Thomas, 1836- [from old catalog] · Chicago, Ill., Printed by F. J. Drake & co. · leaf 537
arches are formed 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 ARCHITECTURAL DRAWING SELF… … Fig. 140. the mortar joints in this are much wider at thetop than those of the portion kk, built in ringshalf a brick in thickness. The line of joints inboth these examples are radial, all being drawnfrom the center point. The most common—so-called arch—is what istermed gauged straight arches, and…
Architecture · Architectural drawing
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