[GreenKeys] More free books.

[David Christ]

Not Teletype but seems to be those around with interest in these things.  Two books - free to you.  Tell me reason you want them and what use they are to you.  I will need name and address.  I may send them different ways depending on requests (if any)

Andree, Richard V.,Programming the IBM Magnetic Drum Computer and Data-Processing Machine. Holt-Rinehart-Winston, 1958

Includes basic theory of operation, op codes, and use of SOAP (Symbolic Optimum Assembly Program)

Keys, William J. and Powell, Carl H. A Handbook of Modern Keypunch Operation. Canfield Press, Department of Harper & Row, 1970

Covers theory and operation of IBM 024, 026, and 029 keypunches.  Pictures and describes several other Hollerith card devices.

David K0LUM