The manual training school, comprising a full statement of its aims, methods, and results, with figured drawings of shop exercises in woods and metals (1887)
Woodward, C. M. (Calvin Milton), 1837-1914 · Boston, D.C. Heath · leaf 108
Chap. Ill] FORGING EXERCISES. 97 little too long. For the sake of learning the length of the portion required for the hook, as well as the effect of bending, it is well to execute first in lead. No. 19. The welded angle. Stock, two 1" X bars. This exercise shows a second way of making the piece… … Fig. 86. practice the scarfing on two pieces of lead. With a good weld, this makes a much stronger piece than the bent angle. The teacher should test the strength of Nos. 7 and 19 in the presence of his class. No. 20. A straight weld. Stock, two pieces of rod of equal size. When finished, the piece…
Manual training
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