Page 31 - My FlipBook

MECHANICAL FIXATION 15

Now cast Melotte's fusible metal into the box of
moldine. Temper and invest the die (Fig. 9) in moi-
dine up to the backs of the teeth (Fig. 10).

Fig. 9. Fig. 10.
Next oil, sprinkle with French chalk, blow it away,
place a ring-shaped sandpaper strip round it, and
pour on more melted, but not overheated, fusible metal
upon it. Thus the counter-die is obtained (Fig. 11).

Fig. 11.

Place a narrow strip of annealed pure gold on the
die, turn the corners over, press on firmly with the
fingers (on deeper contours use a round wooden stick
or agate polishing-point), and swage. Place a layer of