Jones and Shipman 10" x 27" Universal (cylindrical external and internal) Grinder. An older model possibly marked on the maker's plate as the Types 138, 140 Or 144. Operator's handbook.

Jones and Shipman UX8223 Twist Drill Grinding Attachment for Tool and Cutter Grinding Machines. Operator's Instructions.

Jones and Shipman 10" x 27" Universal Precision Grinder. Operating and Maintenance Manual.

Jones and Shipman Radial Grinding and Wheel Forming Attachment. Listed under various model names including X9 and X900. Instruction Book.

Matrix (Coventry Gauge and Tool Company - a design by Hunt ) DG100 Drill Point Grinding Machine. Operator's Instruction Manual with Parts Manual as Sectional Drawings.

Praga 451 Surface Grinder Parts Manual as Exploded Component Drawings (this machine is a copy of the Jones and Shipman 540).

Praga Surface Grinder 451 Operator's Instruction and Maintenance Manual with Electrical Diagrams (this machine is a copy of the Jones and Shipman 540).