Paper, 'Calculation of some observations of the solar eclipse on the 7th of Sept [September] 1820' by Charles Rumker Pages are bound slightly out of order, with pages 2-5 followed by page 1. Subject: Astronomy Published in Philosophical Transactions as 'Calculations of some observations of the solar eclipse on the 7th of September, 1820'. Communicated by Thomas Young. Read 10 May 1821. 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 2, 1833. [1821]