IBM 402, 403 and 419 accounting machines
Subtitle: manual of operation
Publisher: s.n.
Published: 1953
Place of publication: New York
Language: eng
Number of pages: 157
Subjects: Accounting machines; Electronic data processing
Other titles: IBM 403.; IBM 419.
Notes: "Minor rev. (Oct. 1956). This ed., Form 224-5654-12, is a minor rev. but does not obsolete the previous edition, Form 224-5654-11."