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 174
Fig. 138. of all arches when properly constructed and isoften employed for tunneling and other heavywork where great resisting strength is required. The figure shown at 139 is sometimes called aGothic horseshoe arch because of its beingpointed. It is somewhat similar to the last, butis struck from…
Architectural drawing
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
