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 176
ilt 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 with these,in brickwork, the draftsman will have the mostto deal, and I purpose showing him… … Upon the angle given to the skewbacks orspringlngs, and varies with the distance of eachvoussoir fromthe springing. The skew-backs are gen-e r al ly inclinedat 60° from thehorizontal, and arestruckby prolonging the sidesof an equilateral triangle, as shown on Fig. 142.The joints give a better…
Architectural drawing
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