| Description | [On hearing that Alexander Fordyce had made an application to Parliament for exemption from the duties on sea salt that would be used for alkali production, Watt and Mr Keir have petitioned the House of Commons, on Dr. Black’s behalf as well, for a similar exemption, as this may be a project to take up again in the future. He thinks he has completed the theory of the causes of the different heats at which water boils under various pressures and has found the true series of the curve]. (Partners no. 67) |