Flip chip unpopulated NAND circuit card.
Circa April 1966
Digital Equipment Corporation (DEC)
||On the etched side of the card.
overall: 1/8 in x 11 3/4 in x 4 7/8 in
The object consists of an unpopulated single-sided printed circuit board which when populated would become the basis for four type R121A NAND gate flip chip circuit cards.
Hewlett-Packard Company (HP)