Thursday, 22 March 2018

Inside the secret service's massive ink library.

Inside the secret service's massive ink library.

This library contains inks dating to the 1920s, pens Secret Service agents collected on worldwide travels, and annually updated samples solicited from ink manufacturers.
Read more: https://www.popularmechanics.com/technology/news/a13875/secret-service-ink-forensics-library/?source=Snapzu

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