Chart of war gases and chemicals, their characteristics, effects, and how to protect yourself from them. The chart was published by the Fisher Scientific company, and data was prepared by Walter Pierron Burn (1894-1959) of the United States Chemical Welfare Service. The spread was removed from an unknown publication.

Chemicals are broken down into categories of vesicants, lung irritants, Lacrimators, sternutators, smokes, and incendiaries. Gases and chemicals listed in the document include mustard gas, Lewisite, Ethydichlorarsine, Chlorine, Chloropicrin, Diphosgene, Phosgene, Chloracetophenone, Bromobenzylcyanide, Adamsite. Dephenylchlorarsine, HC mixture, Sulphur Trioxide, titanium tetrachloride, White Phosphorus and Thermit.