This vintage IBM 1440 Input/Output Control System Specification Systems Reference Library (SRL) Revision 1964 is a valuable addition to any collection of vintage computing memorabilia.  The manual provides detailed specifications and information about the IBM 1440 Input/Output Control System, which is sure to be of interest to anyone with an interest in vintage computing.  Whether you are a collector or simply a fan of historical computing, this manual is sure to be a treasured addition to your collection.  File Number 440-30, Form C24-3011-5.

It is in good condition considering age (no writing, no damage to any of its  approximate 69 pages).  See photos for examples that include black and white photos, flowcharts, and diagrams.  Pages are whiter than shown in photos.  Ships media U.S. Only.  No International.

S&H consists of packaging, invoice, time and travel plus actual cost when applicable.  Smoke-free.  See other IBM items listed.  I will answer all questions when possible.  Thank you for looking. Will combine shipping on multiple purchases. Just let me know before you pay so I can adjust invoice.