Letter from August Dupre, on his paper 'On the specific heat and other physical characters of mixtures of methylic alcohol and water, and on certain relations existing between the specific heat of a mixture or solution and the heat evolved or absorbed in their formation' to the Secretary of the Royal Society He is sorry that errors have been found in his paper and now he 'will take great care to have them corrected'. Subject: Chemistry [Published in Philosophical Transactions, 1872]. 21 November 1872