TY - JOUR T1 - Observations on Horizontal Refractions Which Affect the Appearance of Terrestrial Objects, and the Dip, or Depression of the Horizon of the Sea. By Joseph Huddart, Esq. F. R. S. JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 87 SP - 29 EP - 42 PY - 1797/01/01/ UR - http://dx.doi.org/10.1098/rstl.1797.0003 M3 - doi:10.1098/rstl.1797.0003 AU - Huddart, J. ER -