The number is stamped in black at the top of the board's frame.
Stamped into the metal on one side of the frame.
Printed at the top of the frame.
overall: 10 3/4 in x 6 1/2 in x 2 1/2 in
Object is a plugboard for an IBM machine such as a 519. The cover is not installed, so the board is exposed and the white printed labeling is exposed. There are yellow cloth covered wires placed in the board. The plastic covers at the top of the plugs are orange and grey. "NO" is stamped into the metal in the right corner of the top of the frame. There is a faded word stamped on one side of the frame.
Memory & storage/connector / plugboard
Gift of Robert Garner, Grant Saviers, Len Shustek, Bernard Peuto and Mike Cheponis