RT Journal Article SR Electronic T1 On the astronomical proof of a resisting medium in space JF American Journal of Science JO Am J Sci FD American Journal of Science SP 404 OP 408 DO 10.2475/ajs.s3-2.12.404 VO s3-2 IS 12 A1 Hall, Asaph YR 1871 UL http://www.ajsonline.org/content/s3-2/12/404.abstract AB