Researchers from the University of Notre Dame have made groundbreaking discoveries about the methods used by Benjamin Franklin to create cash banknotes for American colonies. These findings provide a unique insight into the early history of money in America.
During the colonial period, Franklin recognized the need for a reliable monetary system to ensure the financial independence of the colonies. One of the main challenges at the time was combating counterfeit banknotes. To address this issue, Franklin developed innovative protective measures for his banknotes.
Under the leadership of Khachatur Manukyan, the team analyzed approximately 600 banknotes from the colonial period. Their scientific analysis revealed the techniques and materials used by Franklin. It was discovered that he utilized special ink paint based on graphite, rather than the commonly used pigment of burned bones. Additionally, Franklin incorporated colored silk threads into the paper, a method that was not widely known at the time.
Furthermore, the researchers found that banknotes printed by Franklin’s printing house had an additional layer of protection. They identified the presence of Muskovit, a transparent mineral, which made the banknotes more durable and enhanced their security against counterfeiting.
This project highlights the significance of interdisciplinary collaboration. Despite the challenges of working with rare and archival materials, the scientists involved emphasize that their discoveries were made possible through the exceptional level of cooperation between individuals from various disciplines.