Cincinnati 205-12 M1 Milling Machine. Operator's Manual - also applicable to other models in the Cincinnati Series ML and MI  200, 300 and 400 Milling Machines: the 203-10, 205-12 and 307-12 Universal with swing table; the 203-10, 205-12 and 307-12 Plain Horizontal; the 205-12 and 307-12 vertical and the 307-14 and 410-14 Plain and Universal.