Hydrovane Rotary Compressors 66 "Element" Model. Operator's Instruction and Maintenance Manual with Parts Manual with Electrical Schematic.

Hydrovane Rotary Compressors 66, 66PU, 66PUA, 55CK, 66CK and 66CRK. Comprising: a separate Operating & Maintenance Manual for the Model 66, and another for the 66PUA, 55PUA, 55CK and 66CRK that includes an exploded-component parts Manual and an Electrical Schematic.

Matrix (Coventry Gauge and Tool Company) TL21 No. 66 Small Diameter Internal Thread Grinding Machine. Instruction Book.