Matrix (Coventry Gauge and Tool Company) No. 2 Cylindrical Grinding Machine. Detailed Operator's Instruction and Maintenance Manual.

Matrix (Coventry Gauge and Tool Company) No. 2 Cylindrical Grinding Machine. Parts Manual.

Matrix (Coventry Gauge and Tool Company) No. 37 and No. 47 Type 2 Plunge-cut Thread Grinding Machines. Service and Maintenance Manual with Parts as Sectional Drawings and Dismantling Instructions. Stored FC2-D1