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The British Tabulating Machine Company (BTM) was a British firm primarily known for its role in the development and manufacture of tabulating and computing equipment in the early to mid-20th century. Established in 1896, BTM specialized in creating devices that utilized punched cards for data processing, a technology that was widely used for statistical calculations and data management before the advent of electronic computing. BTM played a significant role in the introduction and implementation of automatic data processing systems in the UK.

Ancestors (6)

  1. International Computers Limited
  2. History of computing in the United Kingdom
  3. History of computing
  4. History of mathematics
  5. Mathematics
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