Paper, 'Observations sur la décomposition de l'amidon à la température atmosphérique par l'action de l'air et de l'eau' by [Nicolas] Theodore de Saussure 'Observations on the decomposition of starch by the action of air and water at atmospheric temperatures'. English translation found at PT/13/4. Includes footnote as fold-out strip. Subject: Chemistry Published in Philosophical Transactions as 'Observations sur la décomposition de l'amidon à la température atmosphérique par l'action de l'air et de l’eau'. Written by de Saussure in Geneva. Communicated by Alexander Marcet. Read 17 December 1818. 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. 7 October 1818