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 196
232. Exercise 3, Fig. 450. Lay out a \ square. Divide AC,CD, and BD each into 6 equal parts. Draw BC. Draw Unesthrough the points as shown, using the 45° triangle. QUESTIONS, PROBLEMS, AND STUDIES 179 233. Exercise 4, Fig. 450. Lay out a 4 square. From eachcorner draw lines making 30° and 60° with… … point on line BD. Draw lines from point B to each point online CD. 235. Exercise 6, Fig. 450. Lay out a 4 square. Divide ABand AC each into 12 equal parts. Draw very light horizontal andvertical lines through each point. Brighten up the lines so as toform the figure shown. 236. Exercise 7, Fig.…
Mechanical drawing
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