IBM 29 Instruction Manual page 2

Pref ace
• This manual describes only the
IBM
29 Card Punch,
with Left-Zero Insertion.
• For detailed descriptions of the mechanical and elec-
trical principles of operation. see
IBM
29 Card Punch,
Field Engineering Manual of Instruction, Form 225-
3358.
• For adjustments and maintenance procedures, see
IBM
29 Card Punch, Field Engineering Maintenance
Manual, Form 225-3357.
• For detailed description of machine functions, see
IBM
29 Card Punch, Reference Manual, Form A24-
3332.
A form has been provided at the back of this publication for readers' comments. If the form has
been detached, comments may be directed to
IBM
Product Publications, Endicott, New York
13764.
©
1965 by International Business Machines Corporation