|A24-3119-1_1442_Card_Read_Punch.pdf||File Number 1442-03
Systems Reference Library
IBM 1442 Card Read-Punch Models 1 and 2
IBM 1442 Card Reader Models 3 and 4
This publication describes the functional and operational char-
acteristics of the IBM 1442 Card Read-Punch Models 1 and 2
and the IBM 1442 Card Reader Models 3 and 4 with applicable
data processing systems.
Special features available for the 1442 are described and,
where appropriate, the program instructions are given for the
Program instructions and timings are described in the Systems
Operation Reference Manual for the applicable system.
This publication, Form A24-3119-1, is a major revision of Form
A24-3119-0 and includes the information published in Techni-
cal Newsletters N21-0011 and N21-001S.
Copies of this and other IBM publications can be obtained through IBM Branch Offices.
A form is included at the back of this publication for readers' comments. If th|