Two Bus Drivers B684

This document is a technical schematic for a "Two Bus Driver" circuit produced by Digital Equipment Corporation in 1964. The diagram illustrates the wiring of various electronic components, including transistors (DEC6A, DEC6B, DEC2219, and DEC2904), resistors, capacitors, and diodes. It includes a comprehensive parts list detailing the specifications and part numbers for all components used in the assembly, as well as a transistor and diode conversion chart.