Industrial drawing and geometry; an introduction to various branches of technical drawing (1911)
Spooner, Henry John, 1856- · London, New York [etc.] Longmans, Green, and co. · leaf 24
a better, although more expensive, form is shown in Fig. 12. ■ A 4 smooth file, or a i triangular or three-square saw file, should be preferred. If a file is not available, a piece of fine emery paper or cloth, FF, or glass paper, 0, fastened to a strip:of hard wood about 6 long, 1 wide, and a J… … Fig. 13.—Showing application of dividers to rule. 14. Tie Rule/ and taking Measurements from it.—A 12-inch steel rule, divided to 64ths and lOOtlis of an inch, should bepreferred. Dimensions can very conveniently be taken off it by the dividers, as in Fig. 13, and pricked off on the drawing. In…
Mechanical drawing · Geometrical drawing
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