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!   Help us stay ad-free and 100% listener-supported! Patreon: https://www.patreon.com/boringbookspod Buy Me a Coffee: https://www.buymeacoffee.com/d5kcMsW   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   If you'd like to suggest a copyright-free reading for soft-spoken relaxation to help you overcome insomnia, anxiety and other sleep issues, connect on our website, https://www.boringbookspod.com.