LANG J6 Junior 13-inch and 17-inch Lathe: Detailed Instruction Manual and Parts Manual as Component Photographs. Includes clutch adjustment instructions and a copy of the maker's Sales and Specification Catalogue. This manual covers the J6 mounted on a full cabinet stand. On the front face of the headstock, mounted almost centrally and low down, are two levers on a common axis. To the top right is a single lever and the screwcutting gearbox has two levers on its top face.