Paper, 'Observations of a second comet, with remarks on its construction' by William Herschel Subject: Astronomy Published in Philosophical Transactions as 'Observations of a second comet, with remarks on its construction'. Read 12 March 1812. 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. [1812]