Oldmans Township, NJ, USA. Click to Contact Seller. Trusted Seller. Ball Mill. Approximately 30"x30" Chamber. used. used Ball Mill. Approximately 30"x 30" Chamber. Ceramic Lined. On stand with 2 HP, 3ph, 60 cyc, 1750 rpm motor. ... 90 gallon PATTERSON INDUSTRIES BALL MILL REACTOR FV 100 psi Mfg. PATTERSON INDUSTRIES S/N 87MX0839, 1988, NB no ...