The manual training school, comprising a full statement of its aims, methods, and results, with figured drawings of shop exercises in woods and metals . Fig. 76. No. 9. () Upset square. Stock, | round, 6i exercise is an extension of the last, the amount ofupsetting being greater. The production of straight cylinders,true with the axis of the square central part, is difficult. Apreliminary exercise in lead is very instructive. Instead of oneof the cylinders, it may be well to form a rectangular piece withan oblong section. The swage would then be used for one end,the flatter fo
The manual training school, comprising a full statement of its aims, methods, and results, with figured drawings of shop exercises in woods and metals . Fig. 76. No. 9. () Upset square. Stock, | round, 6i exercise is an extension of the last, the amount ofupsetting being greater. The production of straight cylinders,true with the axis of the square central part, is difficult. Apreliminary exercise in lead is very instructive. Instead of oneof the cylinders, it may be well to form a rectangular piece withan oblong section. The swage would then be used for one end,the flatter for the other. Chap, m.] EXERCISES IN FORGING. 93 No. 10. {Fig. 78.) Fuller piece. Stock, 1 x 2 bar, about6J long. This should first be executed in lead. By no othermeans so well can ones judgment as to quantity of materialand methods of manipulation be Fig. 77.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmanualt, bookyear1906
