TY - JOUR T1 - Observations on Vision. By Thomas Young. Communicated by Richard Brocklesby, M. D. F. R. S. JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 83 SP - 169 EP - 181 PY - 1793/01/01/ UR - http://dx.doi.org/10.1098/rstl.1793.0017 M3 - doi:10.1098/rstl.1793.0017 AU - Young, T. AU - Brocklesby, R. ER -