Paper, 'On a method of examining the division of astronomical instruments' by Reverend Wm [William] Lax in a letter to Reverend Dr [Nevil] Maskelyne Subject: Astronomy Published in Philosophical Transactions as 'On a method of examining the divisions of astronomical instruments. By the Rev. William Lax, A.M. F. R. S. Lowndes's Professor of Astronomy in the University of Cambridge. In a letter to the Rev. Dr. Maskelyne, F. R. S. Astronomer Royal'. Written by Lax at St Ibbs. Read 1 June 1809. Abstract published in Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London [later Proceedings of the Royal Society of London], Volume 1, 1832. 27 August 1808