TY - JOUR T1 - Researches in Physical Astronomy. JF - Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London (1800-1843) VL - 3 SP - 15 EP - 16 PY - 1830/01/01/ UR - http://dx.doi.org/10.1098/rspl.1830.0005 M3 - doi:10.1098/rspl.1830.0005 AU - Lubbock, J. ER -