possible. The smithing and front shop, on the floor, in Sheriff street, are saw undergoes is that of polishing, which is in this masner. blocking operations are carried on in the long similar to that of grinding in every respect, ex- several gear cutters, planers, and iron drilling The next… … is fed into the lap box in a wet state by the FIG. VII.—TESTING SAWS. FIG. VI.—BLOCKING SAWS. FIG. VIII.—GEAR CUTTING. attendant, and the saw revolves in its box an interesting sight to witness an extended row animproved gear cutter operating on a toothed The subsequent manipulation which it under-…
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