Page 120 - My FlipBook

116 INSTRUMENTS FOR FILLING.

this variety there should be about five sizes, the
largest entering No. 18 of Stub's gauge, and the

Fig. 29.

smallest No. 25. The former should have six points,
and the other two sizes four. (Fig. 30.) The cuts

Fig. 30.

upon these are made directly across the end. In
another variety, the end is rounded, and the file
placed upon it at an acute angle with the side of the
instrument, and the cuts, three in number, are made
to the centre of the point, which thus becomes

Fig. 31.

^

triangular, or three-pointed, from a common center.
(Fig. 31.) Four or five sizes of these may be