References
Chinn, Lisa (n.d.) eHow: The Uses of Ink. Retrieved from November 17, 2019 https://www.ehow.com/list_7362472_uses-ink.html
History of Pencils (n.d.). Retrieved from November 17, 2019 http://www.historyofpencils.com/writing-instruments-history/history-of-ink-and-pen/
Ledger, Kyrsten (2018, December 14). Quality Logo Products: Different Types of Ink and Their uses. Retrieved from November 17, 2019 https://www.qualitylogoproducts.com/promo-university/different-types-of-inks-and-their-uses.htm
New World Encylopedia ( 2018, March 3). Ink Retrieved from November 17, 2019https://www.newworldencyclopedia.org/entry/Ink
Pyne, Lydia (2018, May 16). History Today. A History of Ink in Six Objects. Retrieved from November 17, 2019 https://www.historytoday.com/history-matters/history-ink-six-objects