TY - JOUR T1 - Astronomical Observations, Made in the Forks of the River Brandiwine in Pennsylvania, for Determining the Going of a Clock Sent Thither by the Royal Society, in Order to Find the Difference of Gravity between the Royal Observatory at Greenwich, and the Place Where the Clock Was Set up in Pennsylvania; To Which are Added, an Observation of the End of an Eclipse of the Moon, and Some Immersions of Jupiter's First Satellite Observed at the Same Place in Pennsylvania: By Charles Mason and Jeremiah Dixon JF - Philosophical Transactions (1683-1775) VL - 58 SP - 329 EP - 335 PY - 1768/01/01/ UR - http://dx.doi.org/10.1098/rstl.1768.0043 M3 - doi:10.1098/rstl.1768.0043 AU - Mason, C. AU - Dixon, J. ER -