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 155
144 [Chap. IV. THE THIRD, OR SENIOR YEAR. No. 1. [Fig. 126.) Plain cylinder. Stock, wrought-iron, one inch round, 6J inches long. After it is turned in the engine lathe, the piece is filed and polished in the speed lathe. No. 2. (Fig. 127.) Taper piece. The stock may be found in No. 1. The… … No. 3. (Fig. 128.) Right- and left-handed screw. Stock same as Nos. 1 and 2. The central groove is cut and the ends are turned down before the threads are cut. There are ten Fig. 128. V-threads to the inch. It must be borne in mind that all the cutting-tools except the files and drills are made and…
Manual training
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