CHM Revolution

Date

1961

Credit Line

Courtesy of the IBM Corporate Archive

Copyright Owner

© International Business Machines Corporation (IBM)

Keywords

Mainframes; Magnetic disk; mechanical; Electronics

Object ID

500004589

This successor to the RAMAC 350 had one head that “flew” aerodynamically over each disk surface. The SABRE airline reservation system used 16 units, each with 28 MB.