1952d

The following is a U.K. Patent Application filed by Harold Aspden on February 15, 1951 with a first publication date of July 23, 1952.

U.K. PATENT NO. 676,088

‘A FERROMAGNETIC HYSTERESIS POTENTIOMETER’

Commentary: This is a patent describing and claiming the same device that is the subject of the published paper in The Review of Scientific Instruments. See [1951a]