IBM Electric Punched Card Accounting Machines -- Customer Engineering Manual -- Test Control Panel, accounting machine Type 402.
IBM NY 1951, 27 pages, double-column text, illustrations and diagrams throughout.
Condition: Good+ to very good overall, stapled binding, 3-hole punched at margin, white heavy paper covers, smudging and light wear (covers a bit dirtied, prev. owner's name lightly and fading in ink at top front) but sound and secure.
Categories: 1950's computers and computing, Databooks, Handbooks, Manuals, IBM, Hardware, Programming and Programming Languages, Assembly and Machine Language, Technical Journals, Proceedings, Conferences, Word Processing, Data Processing
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Price: $50.00