The Monks and Friars Chapel [1], an organization in Detroit, Michigan dedicated to preserving the knowledge and craft of Letterpress printing, lists sources [2]

The Monks and Friars Chapel [1], an organization in Detroit, Michigan dedicated to preserving the knowledge and craft of Letterpress printing, lists sources [2] for rollers and other consumables. [1] https://monksandfriars.org/ https://monksandfriars.org/ [2] https://monksandfriars.org/Rollers-Consumables https://monksandfriars.org/Rollers-Consumables