| Description | Marked "Derbyshire and Yorkshire." On the same sheet: Memorandum of pipes sent from Bradley for Poldice mine. Docketed "Account of Poldice pumps and of experiments on little engine." Summarised "List of pipes and other work. Proposes to publish in the Bristol paper an account of engine. About expansion. Trials with the equaliser. Wages for an erector. The new shops at Soho are begun, cost £131. Expansion now the fashion." |