Tarquin's Pen
A pen found in the library of the Primrose-Morton Estate that draws with a silvery ink, used by Tarquin Primrose-Morton to inscribe an array as a demonstration to Jules (Season_Four#2021-07-26).
A pen found in the library of the Primrose-Morton Estate that draws with a silvery ink, used by Tarquin Primrose-Morton to inscribe an array as a demonstration to Jules (Season_Four#2021-07-26).