| Description | Docketed “The crushing of the tubes of Ale & Cakes boiler. "Summarised “Accident with Ale & Cakes boiler. Boulton attends Gwennap church. Hornblowers tubular metallic cold surface would not answer (they made it of lead) – put in lieu thereof a copper diaphragm, called a splash pan. If we proceed it must be for pressing with steam a piston. (Shorthand first noticed.)” |