Margaret E. Knight was an ingenious woman. She started tinkering with things when she was still just a tiny child, and the first invention that really improved the lives of those around her came about at the age of 12. 

Research:

• “A Lady in a Machine Shop.” Woman’s Journal, December 21, 1872. Accessed online: https://iiif.lib.harvard.edu/manifests/view/drs:48852547$409i


• Bedi, Joyce. “Margaret Knight.” Lemelson Center, Smithsonian. March 22, 2021. https://invention.si.edu/node/28532/p/609-margaret-knight


• Britannica, The Editors of Encyclopaedia. "Margaret E. Knight". Encyclopedia Britannica, 10 Feb. 2024, https://www.britannica.com/biography/Margaret-E-Knight


• “Gained Fame as Inventor.” The Boston Globe. Oct. 13, 1914. https://www.newspapers.com/image/430883835/?terms=%22margaret%20e.%20knight%22%20&match=1


• “The Inspiring Story of Margaret E. Knight.” National Inventors Hall of Fame. https://www.invent.org/blog/inventors/margaret-e-knight-paper-pag


• Knight, M.E. “Clasp.” U.S. Patent Office. Oct. 14, 1884. https://patentimages.storage.googleapis.com/1d/93/e6/029e560778fcd4/US306692.pdf


• Knight, Margaret E. “Bag Machine.” U.S. Patent Office. July 11, 1871. https://patentimages.storage.googleapis.com/8b/67/0a/1fa1f5f32874bc/US116842.pdf


• Knight, M.E. “Improvement in Paper Bag Machine.” U.S. Patent Office. Oct. 28, 1879. https://patentimages.storage.googleapis.com/bb/4b/1a/218335d174188c/US220925.pdf


• Knight, M.E. “Rotary Engine.” U.S. Patent Office. January 6, 1903. https://patentimages.storage.googleapis.com/de/9a/87/cea123cb8ba55a/US717869.pdf


• Knight, M.E. “Skirt Protector.” U.S. Patent Office. Aug. 7, 1883. https://patentimages.storage.googleapis.com/3a/cc/e8/cf6943b96a868f/US282646.pdf


• Knight, Margaret E. “Sole Cutting Machine.” U.S Patent Office. Sept. 16, 1890. https://patentimages.storage.googleapis.com/19/16/34/0c57840da89f4c/US436358.pdf


• “Margaret E. Knight, ‘Woman Edison,’ Dead.” The Sun. Oct. 15, 1914. https://www.newspapers.com/image/145292345/?clipping_id=31861882


• “Patent Model for Paper Bag Machine.” Smithsonian – National Museum of American History. https://www.si.edu/object/patent-model-paper-bag-machine%3Anmah_214303


• “Patented By Women.” Pittsburgh Dispatch. April 10, 1892. https://www.newspapers.com/image/76571393/?terms=%22margaret%20e.%20knight%22%20&match=1


• PETROSKI, HENRY. “The Evolution of the Grocery Bag.” The American Scholar, vol. 72, no. 4, 2003, pp. 99–111. JSTOR, http://www.jstor.org/stable/41221195


• Sisson, Mary, and Doris Simonis, ed. “Inventors and Inventions.” Marshall Cavendish. 2007.


• Smith, Ryan P. “Meet the Female Inventor Behind Mass-Market Paper Bags.” Smithsonian. March 15, 2018. https://www.smithsonianmag.com/smithsonian-institution/meet-female-inventor-behind-mass-market-paper-bags-180968469/


• “The Ames Manufacturing Company … “ Boston Evening Transcript. Oct. 17, 1873. https://www.newspapers.com/image/734890555/?terms=%22margaret%20e.%20knight%22%20&match=1


• “Women As Inventors.” The Philadelphia Times. April 10, 1892. https://www.newspapers.com/image/52506300/?terms=%22margaret%20e.%20knight%22%20&match=1


• “Women Who Are Inventors.” New York Times. October 19, 1913. https://timesmachine.nytimes.com/timesmachine/1913/10/19/100654443.pdf?pdf_redirect=true&ip=0

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