Hall: a new action of the magnet on electric currents

What changed

Observed a transverse electrical effect in a current-carrying conductor under magnetic field.

Scientific scope

The record is Hall’s sole-author 1879 American Journal of Mathematics paper, pp. 287–292. It does not merge later carrier-sign interpretation, semiconductor Hall measurements, the integer or fractional quantum Hall effects, or later metrological standards.

Evidence

The linked sources identify this contribution and its scope. WRS has not independently reconstructed the scientific claims. The record is Hall’s sole-author 1879 American Journal of Mathematics paper, pp. 287–292. It does not merge later carrier-sign interpretation, semiconductor Hall measurements, the integer or fractional quantum Hall effects, or later metrological standards.

Contributors

• Edwin H. Hall · SCIENCE: Named source author of the scoped work; individual effort shares are not measured.

• Hall 1879 paper at JSTOR
• National Academy memoir of Edwin Hall

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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