Fox, William Paul. [from old catalog] · Chicago, Ill., Fox brothers · leaf 74
°-60° Triangle, Thumb Tacks, and Triangular Scale. — 70 — (e) The compass, used for drawing circles, which comes inall qualities and prices. (f) The dividers, which are used for spacing equal distances. (g) The ruling pen, which is used for inking lines. (h) The bow compasses and dividers, which… … FIG. 148Photograph of a set of drawing instruments. (j) Rubber erasers, which are made for both ink and pencilerasing. A soft eraser is the best, one that least spoils thesurface of the paper in erasing. (k) Erasing shields, which are used in erasing lines or blotswithout spoiling the rest of the…
Woodwork · Mechanical drawing
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