the bit; and Fig. 0. Fig. 6. brushes in this case are pressed outward against the chimney Fig. 3 is an end elevation. A and B represent the two pieces by bringing the handles of the implement together. In the fifth forming the countersink, said pieces being clamped on the device, curved pads… … the air which circulates between pipe and flue to the rooms screws in keeping them in position. F represents the cutting above, into which it escapes through suitable registers. points or bits of the countersink. They are in form about a Fig. 4 is a simple form of quarter section of a cone, and…
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