1. The men had attempted to seal their makeshift brattice with their clothing. 2. Early collieries sometimes only had one pit which was divided by a brattice . 3. Sparks from the wooden brattice sheets. 4. To restart some ventilation a cloth brattice was rigged from the surface down to the work area. 5. Rescuers pierced the brattice , and encountered " a view which appalled the stoutest heart among them. 6. Underground however, brattices remained vitally important for directing the current of air throughout the whole of the colliery. 7. Ventilation was by the bratticed split-shaft furnace method and so there was no fan engine for ventilation. 8. Water was piped into the mine from a nearby brook, allowing the Bureau crews to extinguish fires and erect brattices . 9. Where this is the case a steel wall called a Brattice is installed between the two compartments to separate the air flow. 10. Rather than bratticing one shaft, it was more convenient to use one shaft as the upcast pit and the other as the downcast pit.
