Paper, 'On the action of finely divided platinum on gaseous mixtures, and its application to their analysis' by William Henry Includes manuscript annotations by John Frederick William Herschel. Subject: Chemistry Published in Philosophical Transactions as 'On the action of finely divided platinum on gaseous mixtures, and its application to their analysis'. Written by Henry in Manchester. Read 17 June 1824. 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. 6 June 1824