Translation of a letter, from William Molyneux to Francis Aston, dated at Dublin Discussing the work of Hevelius and the comments made by Robert Hooke upon it; discussing the differences between Hevelius's observations and those of Halley on his telescopic sextant Letter was dated 12 November 1685 and postscript dated 13 February 1686 Translated into Latin by Molyneux and sent by St George Ashe to William Musgrave 1686