KTVU KTVU News At 6p July 4, 2016
You have to hear the music. Reporter it may not looking exciting now , but this barge is spectacular. It will be lighting up your 4th of july. Reporter showing you how one of these turns into one of these. Thats the lift charge, black powder. Reporter that black powder sends this on onion shaped explosive in the air. When the shell gets to its proper height, that lights a bursting charge. Which sets off the lights in motion. The timing is everything. It all has to work for everything to be safe. Reporter the state of california only res one licensed technician and one assistant to be here. For...
Source: archive.org
