The manual training school, comprising a full statement of its aims, methods, and results, with figured drawings of shop exercises in woods and metals . screws. This hook is usedas a shield to the bench in all exercises where the tools arelikely to strike the support; and where the vise is not is held as shown in Fig. 13. The screw holes in the cross-pieces should be made with the bit to prevent splitting. The construction of the hook is seen to cover several impor-tant points. It is hardly necessary to say that special exercises are neces-sary for showing how narrow and wide chisels
The manual training school, comprising a full statement of its aims, methods, and results, with figured drawings of shop exercises in woods and metals . screws. This hook is usedas a shield to the bench in all exercises where the tools arelikely to strike the support; and where the vise is not is held as shown in Fig. 13. The screw holes in the cross-pieces should be made with the bit to prevent splitting. The construction of the hook is seen to cover several impor-tant points. It is hardly necessary to say that special exercises are neces-sary for showing how narrow and wide chisels may be used inparing, smoothing, and excavating. In mortising, the aimshould be square corners and good surfaces even for partsentirely hidden in the closed joint. As bits and augers areused or may be used to advantage in mortising, their use shouldbe taught in preliminary exercises. A fair proportion of hard woods — ash, maple, beech, chest-nut, walnut, and oak — should always be used in these bench Chap, n.] THE THEORY OF TOOLS AND MATERIALS. 37 exercises, and a certain number of exercises should be givenin working obliquely to the Fig. 13. Showing the Use of the Bench-Hook. The operations of gluing should be well taught. Occasionallya joint may be glued, tho as a rule it should be left unfas- 38 FIRST YEAR OF MANUAL TRAINING SCHOOL. [Chap, U, tened so that it may be inspected more thoroughly. In buildingup composite work, use different colors, or aim at effects bycontrast of grain. Here the jointer-planes come in use for the last touches of ajoint. A fore-plane serves the same purpose, though it differs lessfrom the short smoothing-plane. THE SHOP DRAWINGS. The teacher should have a generous blackboard in his shopon which to make and sometimes to preserve important draw-ings. The drawings should always be made with care, andgenerally they should be of large size. The style of the teach-ers work has great influence upon the pupils. Every boy should have a blank b
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmanualt, bookyear1906
