You Repeat Yourself You Repeat Yourself

Image & Caption: H.S. McCormack, “Labor-Saving Duplicating Machines for the Office” in Scientific American, 107, no. 15 (1912): 302–11.

Select Sources

Face spray paint, hand-stencil technology

  • Jo Marchant, “A Journey to the Oldest Cave Paintings in the World,” Smithsonian Magazine (Jan 2016):, accessed 28 Jan., 2024.
  • Adhi Agus Oktaviana, “Hand Stencils and Boats in the Painted Rock Art of the Karst Region of Muna Island, Southeast Sulawesi.” In Sue O’Connor, David Bulbeck, and Juliet Meyer , editors, The Archaeology of Sulawesi: Current Research on the Pleistocene to the Historic Period, 48:61–78. ANU Press, 2018.

Chinese printing during the Song Dynasty

  • John King Fairbank and Merle Goldman, China: A New History, Second Enlarged Edition (Cambridge, Massachusetts: Harvard University Press), 95. Kindle Edition.
  • Tsuen-Hsuin Tsien, “Chinese Invention Of Paper And Printing,” In Collected Writings on Chinese Culture (Hong Kong: Chinese University of Hong Kong Press, 2011), 145–162. .

Gutenberg Press

Jefferson’s polygraph

Industrial copying machines