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 Phil. Trans. for 1826, and in Part I. for 1827. JF - Abstracts of the Papers Communicated to the Royal Society of London (1843-1854) VL - 6 SP - 13 EP - 15 PY - 1850/01/01/ UR - http://dx.doi.org/10.1098/rspl.1850.0005 M3 - doi:10.1098/rspl.1850.0005 AU - Wrottesley, L. ER -