Quackenbush, Drill, models:

120QP-21500 Series	Parts Manual
120SC	Operation & Service Manual
120SC - 225	Operation & Service Manual
158/15QRA Series	Service Manual
158QRA Series	Service Manual
15QD	Operation & Service Manual
15QNPD-D	Operation & Service Manual
230QGDA Series	Operating And Safety Instructions Manual
230QGDAB Series	Operation & Service Manual