TY - JOUR T1 - An Abstract of a Letter from Mr J. Flamsteed. Math. Reg. et F. of the R.S. Giving the Description et Uses of an Instrument for Finding the Distances of 4$^{s}$ Satellits from His Axis, with the Help of the Table of Parallaxes and Catalogue of Eclipses; Printed in the Preceding Transactions JF - Philosophical Transactions (1683-1775) VL - 15 SP - 1262 EP - 1265 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1685.0086 M3 - doi:10.1098/rstl.1685.0086 AU - Flamsteed, J. ER -