TY - JOUR T1 - A Dioptrick Problem, Why Four Conuex-Glasses In A Telescope, Shew Objects Erect. by William Molineux of Dublin Esq. R. S. Soc. JF - Philosophical Transactions (1683-1775) VL - 16 SP - 169 EP - 172 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1686.0027 M3 - doi:10.1098/rstl.1686.0027 AU - Molineux, W. ER -