JOHANSSON Cylindrical Grinding Machines 1U, 2U and 2P. Manual JOHANSSON Cylindrical Grinding Machines 1U, 2U and 2P. Also sold as the SNOW. Operator's Instruction and Maintenance Manual with Parts Manual as Sectional and 3D Drawings. Manufacturers: Johansson Snow Snow of Sheffield Models: 1U 2U 3U Contents: Operators Manual Maintenance Manual Parts Manual