Ordering A Key - IBM Personal Computer AT Manual To Operations

Ordering a Key
Information for ordering replacement keys and their
cost may be obtained by writing to the address below.
Be sure to include the lock number (#1501419) and
the serial number, which is attached to the key ring.
Key Serial Number
Chicago Lock Company
4311
West Belmont Ave.
Chicago, 11. 600641
You are responsible for the security of your system.
1-6 System Unit