When I bought my Serata treadle I found this in one of the drawers, a tiny little tin, two and a half by one and a half inches. It is the ideal size for keeping the bobbins in, and takes you straight back to the time when invalids were nursed back to health with beef tea.
Like all the best brands, it is by appointment... it reads "By Appointment, Purveyors to His Majesty the King." George V, probably. Edward VII at a pinch.