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 169
voussoirs near the springing line of the arch arethus increased in size for greater strength.The diagram shown at Fig. 130 shows a lancet ar-i
Architectural drawing
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