Architectural drawing : a textbook that combines the parctical instructions and examples that the student needs, with the suggestive programs, supplementary problems, etc, required by the teacher, written by an architect of wide experience who has also taught the subject for years at Teachers' College, Columbia University, and Mechanics' Institute, New York (1920)
Teale, Oscar S · New York : U.P.C. Book · leaf 46
a hole (centre)so large as shown in Fig. 31. TOOLS—IN PRACTICE 43 penetrate the paper only far enough to insure contact,and keep it in place while revolving the instrument.The length should be such that the point of the pencilor pen point just reaches the paper, at the momentthe instrument is… … FIG. 33 When small circles are to be made, the Bow Sweepshould be used. The larger sweeps should never beused for making such small circles. It is bad practiceto use the larger tool for small work, therefore thelarge sweep should not be so used, even with a hope 44 ARCHITECTURAL DRAWING of success…
Architectural drawing
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