The Allied lachrymator campaign was terribly handicapped by lack of bromine.

Lachrymators.-Thereis hardly need to dwell on the next class, the lachrymator.

The Germans first used chlorine for cloud gas, and certain lachrymators for shell.

The writer has vivid recollections of their use of lachrymators in the Loos Battle.

The Germans undoubtedly attached considerable importance to their brominated lachrymators.

Mustard gas was the chief example, but some of the lachrymators were just as persistent.

Here the lachrymators and the sternutators, the tear gases and the sneeze gases, came into play.

Large concentrations of lachrymators begin to affect the lungs and cause sickness, coughing and general irritation.

The success of these efforts certainly placed us in a difficult situation during the war, both with regard to production of drugs and lachrymators.

Besides the comparatively harmless lachrymators the enemy also uses projectiles which contain a gas, the action of which is very similar to that of phosgene.

Lachrymators at Loos, 1915.-Germanycommenced the manufacture of lachrymators, crude brominated xylene or brominated ketones, early in, or perhaps before 1915.