The object is a one-sided printed circuit board with no components, no traces, and no holes. Appears to be a new, raw circuit board with one large copper rectangle connecting all 18 printed fingers of the edge connector on the bottom edge of the card.
Date
1966 ca.
Manufacturer
Digital Equipment Corporation (DEC)
Identifying Numbers
Other number
10-67
Printed in metal on the clad side of the board at the upper right corner