Used- Paul O. Abbe Lab Double Arm Mixer, Model 1BSB, 316 Stainless Steel. 1 Gallon operating capacity (2 total). Carbon steel jacket rated 14 psi. Bowl approximate 7" left to right x 9-1/2" front to back x 6-3/4" deep, tangential sigma blades, front blade 70 to 17 rpm, rear blade 41 to 10 rpm, flat top cover, geared one end. Sin more info...