Overbeck 600 RU (600-RU) Grinding Machine. Comprehensive Instruction Manual with Wiring Diagrams.

Fratelli Grisetti RU/AUSR Grinder Spare Parts Manual as exploded component drawings.

Huron Milling Machines: Wonderful 158-page Catalogue showing the full range of millers and Accessories as current through the 1950s to 1970s. Models include: "N", "M", "NU", "MU", "MVC", "MVCAO", "MVP", "MVPCNP", "MVPCNC", "MVGVCNP", "MVGVCNC", "MH", "MVR", "MUR", "MUCNP", "MUCNC", "MHCNP", "MHCNC", "MHR", "LR", "2-LUR", "L", "P", "PU", "PUCNP", "PUCNC", "R" and "RU".