TY - JOUR T1 - Formulization of Horary Observations Presumed a priori to Be nearly of a Periodic Nature. JF - Abstracts of the Papers Communicated to the Royal Society of London (1843-1854) VL - 6 SP - 170 EP - 171 PY - 1850/01/01/ UR - http://dx.doi.org/10.1098/rspl.1850.0061 M3 - doi:10.1098/rspl.1850.0061 AU - Drach, S. ER -