Item 01: Dudley V. Walford diary, 23 September 1914 - 13 August 1916 - Page 140
Theory of Grenades
All encased explosives thrown by hand are to be called grenades. Two kinds of grenades
[A] Shrapnell Burst
[B] Fragmental Burst
Heavy grenades weigh about 2 lbs. Light grenades weigh about 1 lb
Affected area of light grenades is roughly 6 yds in diameter while a heavy grenade is dangerous at a diameter of 30 yds.
There are two types of
grenades fuses [A] Percussion & [B] [Fuse].
All dummy grenades have a yellow band around the outside. Live grenades have a red band painted on the outside