TY - JOUR T1 - An Account of Persons Who Could Not Distinguish Colours. By Mr. Joseph Huddart, in a Letter to the Rev. Joseph Priestley, LL.D. F. R. S. JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 67 SP - 260 EP - 265 PY - 1777/01/01/ UR - http://dx.doi.org/10.1098/rstl.1777.0015 M3 - doi:10.1098/rstl.1777.0015 AU - Huddart, J. ER -