AWhat changed
Described constructed mechanical differential analyzer for solving ODEs.
Scientific scope
The record is Bush's sole-author 1931 Journal of the Franklin Institute paper. It does not absorb earlier integraphs, Harold Hazen's and other collaborators' engineering contributions, the later Rockefeller analyzer or electronic digital computing.
Evidence
The linked sources identify this contribution and its scope. WRS has not independently reconstructed the scientific claims. The record is Bush's sole-author 1931 Journal of the Franklin Institute paper. It does not absorb earlier integraphs, Harold Hazen's and other collaborators' engineering contributions, the later Rockefeller analyzer or electronic digital computing.
Contributors
- Vannevar Bush · 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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