RT Journal Article SR Electronic T1 Value of the force exerted by a current of electricity in a circular conductor on a unit magnetic pole at its center JF American Journal of Science JO Am J Sci FD American Journal of Science SP 392 OP 393 DO 10.2475/ajs.s3-45.269.392 VO s3-45 IS 269 A1 Moreland, S. T. YR 1893 UL http://www.ajsonline.org/content/s3-45/269/392.abstract AB