IBM 29 User Manual

Field Engineering
Manual of Instruction
~@ Card Punch, with Left-Zero Insertion

IBM 29 Specifications

General

Brand	IBM
Model	29
Category	Computer Hardware
Language	English

Summary

IBM 29 Card Punch, with Left-Zero Insertion

Preface

Brief introduction to the manual and related documentation.

Comprehensive Introduction

Explains the core functionality and benefits of the left-zero feature.

Left-Zero Program Card and Error Reset Key

Details program card coding for field size and the function of the error reset key.

Theory of Operation and Read-In

Explains operational principles and the data read-in process.

Read-out and Punch-out Process

Explains how data is retrieved and punched onto cards.

Left-Zero Credit Field Operation

Details credit field features, including read-in and punch-out processes.

Left-Zero Logic Controls

Outlines the control logic and flow diagrams for left-zero operations.

Relay and Point Reference

Provides detailed information on relays, points, and their purposes in the system.

Instructional Wiring Diagrams

Presents schematic diagrams illustrating the machine's electrical circuitry.

Reader's Survey Form

A form for user feedback on the manual's quality and content.