Original vintage IBM Type 557 Alphabetic Interpreter technical documentation binder.

The binder includes IBM materials dating primarily from 1957 through 1959, including:

• IBM Type 557 Alphabetic Interpreter parts catalog

• Form No. 12-7121-1, dated September 30, 1957

• IBM 557 Interpreter Bulletins

• Detailed exploded parts diagrams

• Engineering and electrical diagrams

• Selective stacking and line-printing information

• Internal IBM Poughkeepsie memo dated July 13, 1959

• Hand-drawn technical circuitry diagrams

• Original vintage punched card marked Army Map Service, Corps of Engineers

The punched card is included as found with the binder. Its exact relationship to the IBM 557 documentation cannot be independently verified.

Original binder and documents show normal vintage storage and handling wear, including age toning, edge wear, occasional spotting, handwritten technical notes and minor tears or bends. Please review all photographs closely for the exact contents and condition.

An unusual collection of early IBM punched-card computing documentation suitable for IBM collectors, computer-history enthusiasts, museums or technical archives.

Thank you :)

Pet and smoke free