Four separate manuals concerning IBM Electric Punched Card Accounting Machines held together into a single tome. The first manual is Principles of Operation, Card Punch Type 24, Printing Punch Card ...
Punch cards beside a vintage time clock. Photo by Vitor Diniz/Pexels. Representative image; these are not IBM 402 data cards and the machine is not an IBM 402. At Sparkler Filters in Conroe, Texas, ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This gray desk-sized machine for ...
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