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 121
asoft rubber. If a spot of ink has gotten on paper;remove the bulk of it by carefully going over the sur-face with sharp edge of knife blade, then apply therubber, according to the need, sand rubber if neces-sary, but it must be used gently and by persistentrubbing. Finish with a soft rubber. The… … 4\\
Architectural drawing
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