Skip to Main Content
It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.
Spies and Dyes
by Robert J. Baptista, updated March 4, 2010
An article about the dye industry during WWI.
WWI Soldiers Circa 1918
Charles P. Smyth Collection, Science History Institute Image Archives. Object ID A93:02.041.