IBM disk storage products memento disk platter
International Business Machines Corporation (IBM)
overall: 1/8 in x 8 1/4 in x 8 1/4 in
Object is an 8.25" disk platter titled "Disk Storage Products" with the model numbers of key IBM disk drives between 1956 and 1989 arranged in a timeline. Interior hole diameter is 4 inches.
Gift of David R. Johnson