The record contains a disk platter with a nine inch hub and a three inch center hole. There is a small rectangular balancing weight 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
Found stamped in black ink on the bottom of the disk.
Other number
7291A-D
The four numbers are printed around the side of the center hub.