Wang laboritories number printed on the bottom edge of the cards.
Printed on the bottom edge of the Port-a-punch branded cards.
Printed on the bottom edge of the Wang laboritories cards.
overall: 1/8 in x 7 1/2 in x 3 3/8 in
The object contains two types of pre-scored cards for use with an IBM Port-a-punch or equivalent. There are seven "Port-a-punch" branded cards, one of which is punched. There are approximately 50 Wang laboratories cards, two of which are punched.
Gift of Lawrence Livermore National Laboratory (LLNL)