Paper, 'On the properties of heat as exhibited in its propogation along plates of glass' by David Brewster in a letter to the Rt Hon Sir Joseph Banks Illustrations for this paper have been separated from the manuscript and are found at PT/73/5/3-6. Subject: Chemistry Published in Philosophical Transactions as 'On new properties of heat, as exhibited in its propagation along plates of glass. By David Brewster, LL. D. F. R. S. Lond, and Edin. In a letter addressed to the Right Hon. Sir Joseph Banks, Bart. G. C. B. P. R. S'. Read 11 January 1816. 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. [1815]