Object is a plugboard for an IBM machine such as a 519. There are 14 short wires plugged into this board. A paper affixed with two of the plugged wires reads, "SYS/PROG. SOURCE DECKS. LOWER LINE". There is a label on the bottom edge which reads "E04 SBCC CYC/PROG. SOURCE DECK LOWER LINE".
Manufacturer
IBM Corp.
Identifying Numbers
Other number
24
Marker pen on top edge
Other number
D12
Stenciled on top edge
Serial number
901 309855
On label on front
Dimensions
overall: 10 3/4 in x 6 1/2 in x 3 in
Category
Memory & storage/connector / plugboard
Credit
Gift of Robert Garner, Grant Saviers, Len Shustek, Bernard Peuto and Mike Cheponis