Richards (George Richards) HB & HBF Type Horizontal Boring machine. Operator's Instruction and Maintenance Manuals. The machine was built as early and late types so two manuals are included to cover all possibilities.

Sajo HBF-450 and VBF-450 Borers (horizontal and vertical models). Instruction and Maintenance Manual with program examples for the autofeeds. Includes a single hydraulic diagram.