Patent model for printing on pyroxyline compounds celluloid. This patent model demonstrates an invention for variations on the method of printing celluloid under heat and pressure. The invention was granted patent number 348222.

---

Size: 1902px × 1314px
Photo credit: © SBS Eclectic Images / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: arts, culture, graphic, printing