Removing the contents of a German mustard gas shell for analysis, US Chemical Warfare Service, Chaumont, France, October 1918. Sulfur mustard is in fact a highly toxic liquid. @USNatArchives
https://t.co/sPYh9an1av pic.twitter.com/uFD79S5yjx— Simon Jones (@SimonJHistorian) February 23, 2021
RT @SimonJHistorian: Removing the contents of a German mustard gas shell for analysis, US Chemical Warfare Service, Chaumont, France, Octob…