| Description | 2 sheets. Docketed “About Mr. Fothergill and reciprocating fly engine." Summarised “Lengthy correspondence about Boulton and Fothergill’s business relationship. Concerning Soho workmen. The new canal scheme. Salmon asks us to refuse making his neighbour an engine. The up & down engine and Hornblowers. The advantage of circular over oval wheels. Watt to boast about inventing the double cylinder engine. Sketch by Boulton [within the text].” |