Documentary journal of Indiana 1882 . Although the piece shown at Fig. 8 is frequently substitutedby fitting of a constructive character, as for example the strapto a connecting rod, yet the piece shown represents the work ofthe exercise. The operation is in fitting the key A to the slotof the rectangular piece of wrought iron, as shown. After thefit is complete the whole is squared up so that every surface issquare with its neighboring surfaces, and all but the bottom issuperfinished in oil. Ninth Exercise.—Checker Work. {Free Hand.). The operation upon a rough casting of about the shapeshown
Documentary journal of Indiana 1882 . Although the piece shown at Fig. 8 is frequently substitutedby fitting of a constructive character, as for example the strapto a connecting rod, yet the piece shown represents the work ofthe exercise. The operation is in fitting the key A to the slotof the rectangular piece of wrought iron, as shown. After thefit is complete the whole is squared up so that every surface issquare with its neighboring surfaces, and all but the bottom issuperfinished in oil. Ninth Exercise.—Checker Work. {Free Hand.). The operation upon a rough casting of about the shapeshown by the finished piece. Fig. 9, is shaped up all over andthe lines laid across the face. - Two lines of equal width andparallel, are made by the instructor. The student completesthat series and begins and completes the -second series, crossing 152 the first, maiutaining as nearly as possible the distance apart,the width, and the parallelism of the lines, as given. It is atest for the eye as well as for the hand. Tenth JExercise.—Point. (Hand Vise Work). /£>, /^ The material is a piece of soft steel wire | inch diameter and3 inches long. The operation is in filing a point | inch long,which will be in the center of the piece, of straight taper, andof a round section. The use of the hand vise requires a pe-culiar twist ofthe wrist which is difiicult to acquire. Eleventh Exercise.—Shoulder. [Hiwd Vise Work).
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