IBM 1402 Reference Manual page 3

Preface
I
The maint.enance information in this manual pertains
to all models, 1, 2, 3, 4, 5, and 6, of the IBM 1402
Card Read Punch. The adjustments and procedures
affect all models unless specifically identified.
Sixth Edition
This is a reprint of 231-0002-4 incorporating changes released in the following FE Supplement.
Form Number
S31-0150
Pages affected
1-1, 3-2, 3-19, 3-38, 3-39, 3-41,
3-41.2, 3-41.3, 3-41.5, 4-2, 7-1,
7-2.
Date
4/28/67
Specifications contained herein are subject to change from time to time. Any such changes
will be reported in subsequent revisions or FE SupplementS.
Copies of this and other IBM publications can be obtained through
IBM Branch Offices. Address comments concerning the content
of this publication to:
IBM, Product Publications Department, Rochester, Minn. 55901.
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1960, 1961, 1962, 1964 by International Business Machines Corporation