TY - JOUR T1 - A Method of Working the Object Glasses of Refracting Telescopes Truly Spherical. By the Late Mr. James Short, F. R. S. JF - Philosophical Transactions (1683-1775) VL - 59 SP - 507 EP - 511 PY - 1769/01/01/ UR - http://dx.doi.org/10.1098/rstl.1769.0068 M3 - doi:10.1098/rstl.1769.0068 AU - Short, J. ER -