Trench Bomb Warefare
Training

1. BOMBS AND HAND GRENADES BURSTING IN THE ENEMY'S TRENCH. THE THROWERS ARE BETWEEN RIFLEMEN.
2. HAND GRENADE, LIT BY AUTOMATIC ARRANGEMENT, BURSTING IN THE OPPOSITE TRENCH.
3. CRATER CAUSED BY A MINE EXPLOSION AND IMMEDIATELY OCCUPIED BY 12 MEN: THE CRATER IS SIX FEET.
4. GRENADE THROWERS IN THE FRONT TRENCH (PRECEDED BY TWO MEN WITH FIXED BAYONETS) THROWING INTO THE ENEMY'S TRENCH.
(T.D. Cleary, Photo)