About a second after the explosives were triggered.
“Ballistite is a smokeless propellant made from two high explosives, nitrocellulose and nitroglycerine. It was developed and patented by Alfred Nobel in the late 19th century.” -Wikipedia.
Ammunition had to be tested on site before shipment. That was done here. These heavy concrete bunkers deflected rounds harmlessly into the earth.
A safe distance from Prize Mine is its dynamite storage vault, designed to explode up–not out–should the worst happen.
An emergency slide to help workers evacuate the blending house in an emergency.
Note the wood and rubber wheels on this powder cart.
For the Batman movie, fire was blown out of the windows of the factory to make it appear it was exploding. To add to the effect, on actual Brach’s building was imploded.
Limits on personnel and explosives allowed in the building at the same time.
A steel powder keg serves as a door prop on the static-proof wood core floor. Note the ‘XXX’ marking to the left of the double door.
This building cleaned the barrels that transported ingredients through the plant.
Solvent pumping buildings, designed to explode upwards rather than outwards in an emergency, are forgotten near the milkweed.