IBM Electric Punched Card Accounting Machines Manual - Principles Of Operation

IBM - 1948 Dedicated To Progress 112 pg Book

1958 Reference Manual for IBM 602 Calculating Punch

IBM: Seminar on Scientific Computation November, 1949

1951 IBM Accounting Machines Manual For Calculating Punch Type 602-A

IBM Accounting Machines Principles of Operation Card Punch 24 Printing Punch 26

Vintage Reference Manual IBM Operators Guide 1959 Accounting Computer Book

Vintage Reference Manual IBM Functional Wiring 1960 Accounting Computer Book