Gas and flame in modern warfare
CHAPTER II
The first respirators--First-aid devices--The smoke helmet--Anti-gas sprayers--Their use and delicacy--The English chemists set to work--The task of training the whole army 26
Gas and flame in modern warfare
The first respirators--First-aid devices--The smoke helmet--Anti-gas sprayers--Their use and delicacy--The English chemists set to work--The task of training the whole army 26