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
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