Paper, 'Supplement to the first and second part of the paper of experiments for investigating the cause of coloured concentric rings between object glasses and other appearances of a similar nature' by Wm [William] Herschele [Herschel] 25 manuscript pages and two plates showing diagrams of rays of light passing through object glasses. Subject: Physics Published in Philosophical Transactions as 'Supplement to the first and second part of the paper of experiments, for investigating the cause of coloured concentric rings between object glasses, and other appearances of a similar nature'. Read 15 March 1810. 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. [1810]