TY - JOUR T1 - Observations on the Eclipse of the Sun, April 1, 1764: In a Letter to the Rev. Thomas Birch, D. D. Secret. R. S. from Mr. James Ferguson, F. R. S. JF - Philosophical Transactions (1683-1775) VL - 54 SP - 108 EP - 113 PY - 1764/01/01/ UR - http://dx.doi.org/10.1098/rstl.1764.0021 M3 - doi:10.1098/rstl.1764.0021 AU - Ferguson, J. ER -