Page 547 - My FlipBook
P. 547
PiQ. 331.
Kic. 331. A photogr;ipli of lliu reverse quatliungk' plussor in action condensiiifj the ilistal surface
of a filling in a lower nmlar with the separator in place. Notice the relation of tlu* mallet to the
recurved mallet end of the .shaft uf tlie plu}?yer,
Fni. 332. A yhotdgr.iph of tlie working poiiil& ami curves of the shanks of the reverse (juadrani^le
pluggers.