Pyrotechnics: The History and Art of Firework Making, Part 4

Let's celebrate the sparkliest time of the year with more from this detailed guide to fireworks. This time, rules about their manufacture, the lackadaisical habits and accidents that led to those rules, good factory design, and why mixing potash and sulfur is…not a good idea. Boom!

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Read "Pyrotechnics: The History & Art of Firework Making" at Project Gutenberg: https://www.gutenberg.org/ebooks/64922

Music: "Peace" by Lee Rosevere, licensed under CC BY, https://leerosevere.bandcamp.com

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