TY - JOUR T1 - An Account of a Catadioptrick Telescope, Made by John Hadley, Esq; F. R. S. With the Description of a Machine Contriv'd by Him for the Applying It to Use JF - Philosophical Transactions (1683-1775) VL - 32 SP - 303 EP - 312 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1722.0058 M3 - doi:10.1098/rstl.1722.0058 AU - Hadley, J. ER -