1993 Walter CNC tool grinder, model 35, sn 3316, 18" X travel, 6" diameter, 2 spindle speeds, 3600 & 7200 RPM, Y axis - 6", Z axis 18", A axis is 360 degrees fully programmable, air lock checks on "A" axis, tool problem, flush coolant, was Walter 14MC 150 which has been upgraded to monochrome monitor, 4 axis control, custom built filter system. (Fred)