Quotes attributed to each of the men are inscribed on the note: "I sell here, sir, what all the world desires to have—POWER" (Boulton) and "I can think of nothing else but this machine" (Watt).
Citater, som tilskrives hver af de to er medtaget på sedlen: "I sell here, sir, what all the world desires to have—POWER" (Boutlon) og "I can think of nothing else but this machine" (Watt).