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 50
jioC ARCHITECTURAL DRAWING SELF TAUGHT 33 ments, such as splines, ellipsographs, and beam-compasses; the latter being designed fordrawing circles of large diameter, and are somade that the points can be moved to thedesired distance apart. One steel point may beremoved and a pencil or inking pen… … Fig. 17. Splines are flexible strips of wood or metal,and are used for forming curves—regular orvariable—and are held in position by a peculiarattachment which serves to hold the curve inposition as shown at S S S, Fig. 17. Theseattachments are made of lead. The ellipsograph is a costly instrument…
Architectural drawing
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