RT Journal Article SR Electronic T1 On the transit instrument as a substitute for the zenith telescope in determining latitude, and on the latitude of New Haven JF American Journal of Science JO Am J Sci FD American Journal of Science SP 52 OP 61 DO 10.2475/ajs.s2-30.88.52 VO s2-30 IS 88 A1 Lyman, C. S. YR 1860 UL http://www.ajsonline.org/content/s2-30/88/52.abstract AB