UNIBUS Printed Wiring Assembly
||Screen printed on component side. Marked ASSY. NO.
||Etched on solder side. Labeled PWB,Rev C.
||Hand painted on component side. Marked Rev D.
overall: 1/2 in x 16 1/4 in x 8 7/8 in
Item is a UNIBUS(tm) board. There are LEDs marked Read, Write, DIAG, and Fault on the top edge.