AWhat changed
Large collections of individual records could be tallied and cross-tabulated electromechanically.
Scientific scope
1889 paired patents and specified method; census operations, production engineering and later IBM genealogy excluded.
Evidence
The linked sources identify this contribution and its scope. WRS has not independently reconstructed the scientific claims. The record is the paired 1889 patents and their specified method. Census operations, manufacturing, later card standards and corporate descendants have broader institutional authorship.
Contributors
- Herman Hollerith · SCIENCE: Named source author of the scoped work; individual effort shares are not measured.
Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.
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