TY - JOUR T1 - On the Results of Periodical Observations of the Positions and Distances of Nineteen of the Stars in Sir John Herschel's Lists of Stars, Favourably Situated for the Investigation of Parallax, Contained in Part III. Of the Philosophical Transactions for 1826, and Part I. 1827 JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 141 SP - 333 EP - 356 PY - 1851/01/01/ UR - http://dx.doi.org/10.1098/rstl.1851.0016 M3 - doi:10.1098/rstl.1851.0016 AU - Wrottesley, L. ER -