GATE and "Johnford" Vertical Turret Miller 4AS and 4AVS Manual Gate and "Johnford" Vertical Turret Miller 4AS and 4AVS (also badged as the Gate Profitmill and "Roundtop"). Operator's Instruction Manual and Parts Manual as Exploded Component Drawings. Includes an electrical schematic. Manufacturers: Johnford Gate Models: 4AS 4AVS Contents: Operators Manual Parts Manual Electrical Diagrams