I said I was undertaking the job of committing these steps to paper so that they might prove as an aide-mémoire.
aide-mémoire: aid to memory
Thankfully Robert informing us that we had a visitor—‘Mr Charles Dundas’—interrupted these musings. His announcement produced both Charlotte, who had apparently overheard this information, and then our visitor.
Charles Dundas: first Baron Amesbury, chairman of the Kennet and Avon Canal Company