For the first half of the 20th century, much data was entered into data processing machines using punched cards. This machine for punching such cards was manufactured by International Business ...

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 ...

Explore IBM's 152-year evolution from 1874 CTR mechanical roots to 2026 AI powerhouse, building it to a staggering $67.5B ...

Earlier this month, IBM celebrated its 100th birthday. It wasn't called IBM back in 1911, though: It was lumbered with the high-tech-for-its-time name of Computing-Tabulating-Recording Company, the ...

On June 8, 1887, Herman Hollerith applied for US patent #395,781 for his punch card counting machine, a device considered to be among the foundations of the modern information processing industry and ...

[digitaltrails] wanted the data on a few old IBM 80-column punch cards he had lying around, but didn’t have decades old computer hardware in his garage. He decided to build his own out of LEGO, an ...