Arras, battle

Armor For The Inner Man , 189 Army Medical Research Institute, 222 Arras, Battle of, 22-3 arsenic, 89 Asian flu, 168 Aspergillus fumigatus, 156 Atelier de Pyrotechnie du Bouchet, 43 atomic bomb, 65,96, too, 105,114,124,134, 135... 

The British first launched a full-scale attack using the Livens Projector at the Battle of Arras on 9 April 1917 ... 

The Battle of Arras also saw the widespread use of the Stokes Mortar. Like the Projector, its design was extremely simple a steel tube raised at an angle by two struts. It fired four-inch mortar bombs, each containing two litres of gas. A well-trained crew could fire fifteen bombs and have them all in the air before the first one hit its target, with pin-point accuracy, as much as 1,000 yards away. 

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