Essentials of drafting; a text and problem book for apprentice, trade and evening technical schools (1918)
Svensen, Carl L. (Carl Lars), 1884- · New York, D. Van Nostrand company · leaf 19
right. The 1 ESSENTIALS OF DRAFTING triangles are used for drawing all other lines. Vertical lines aredrawn by placing a triangle against the upper edge of the Tsquare and drawing upward along the vertical edge, which shouldbe placed toward the head of the T square, as shown in Fig. 2. Use of the… … F,g. 2 reduced scale must be used to accommodate the size of paper,choose one which will show the object clearly, and which willnot require great crowding of dimensions. For mechanicaldrafting, the architects open divided scale, shown in Fig. 3, ismost used. There are many forms, both flat and…
Mechanical drawing
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