Figure 11: A Printing Machine used until 1957
publisher: Starr, Ann, and Aaron Betsky. “1900 - 1949: The History of Printing during the 20th Century.” Prepressure, 10 Aug. 2021, www.prepressure.com/printing/history/1900-1949.
publisher: www.prepressure.com/printing/history/1900-1949.