Schematic diagram in hard copy relating to the computer CSIRAC.
A schematic diagram shows the detailed connections between all the components in a circuit. Such diagrams were used to build circuits and later for testing. For CSIRAC, the most common components were vacuum tubes (valves), capacitors and resistors. Schematic diagrams are also known as circuit diagrams.
Technical details: Schematic Diagram. Subsystem: Memory. Drawn/checked by R.D.R. P. L. Copy Modifications.