JAS H Matthews 6242, Bench Model Motorized Offset Printer, Instructions and Parts Lists Manual Year (1971) This Manual Covers Models:6242 This Manual Includes: Specifications Serial Number 111 Your Machine Printing Head Parts Lists Drawings: Large Diagrams, Totaling (7) Printing Head Cradle Assembly Main Assembly Wiring Diagram Piping Diagram This Manual Has 48Printed Pages. Year March 1971