TY - JOUR T1 - An Abstract of the Results Deduced from the Measurement of an Arc on the Meridian, Extending from Latitude 8 degrees 9$^{\prime}$ 38$^{\prime \prime}$,4, to Latitude 18 degrees 3$^{\prime}$ 23$^{\prime \prime}$,6, N. Being an Amplitude of 9 degrees 53$^{\prime}$ 45$^{\prime \prime}$,2 JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 108 SP - 486 EP - 517 PY - 1818/01/01/ UR - http://dx.doi.org/10.1098/rstl.1818.0029 M3 - doi:10.1098/rstl.1818.0029 AU - Lambton, W. ER -