The record contains a disk platter with a nine inch hub and a three inch center hole. There are two small rectangular unequal balancing weights on the hub. "Products corporation" is stamped on the bottom.
Date
ca. 1960
Manufacturer
Data Products Corporation
Place Manufactured
U.S.
Identifying Numbers
Other number
105826-3
Stamped on the bottom in the center of the disk.
Serial number
7355
Found stamped on the bottom of the disk and also on the hub with letters A-D appended
