https://peertube.dngr.us/videos/watch/6433017a-d86d-499c-8382-f77c89be5ccd Ad: Check out my sponsor and remove your personal information from the web at https://JoinDeleteMe.com/nighthawk and use code NIGHTHAWK for 20% off. DeleteMe international Plans: https://international.joindeleteme.com In this video we explore the history of soap waterproofing methods, using sodium stearate to form hydrophobic coatings with a variety of metal salts. Linked below are the books referenced in this video: Waterproofing Textile Fabrics: https://play.google.com/books/reader?id=fghLAAAAMAAJ&pg=GBS.PA40&hl=en The Waterproofing of Fabrics: https://www.google.com/books/edition/The_Waterproofing_of_Fabrics/UrhLAAAAIAAJ?hl=en&gbpv=1 The Development of the Incandescent Electric Lamp: https://play.google.com/books/reader?id=kJQ3AAAAMAAJ&pg=GBS.PP1&hl=en A special thank you to my top patrons: Aik193, Aleksander, bandit, Bartholomew Spawndoom, Boatyard McBoatface, Brad Alan Armstrong, Brian, Brian Bowles, Bryan Shattuck, Carl Katzenberger, Chris, Christopher Calkins, Christian, Connor Davis, Daniel Bauman, Dan L, Daniel Moore, David Burburan, Dean Maurer, Dustin B, Edward Ivory, Edward Unthank, Eugene Pakhomov, Enzo Breda Lee, Etalon, Evan Hughes, Evan Relf, GadgetPatch, GEOCAHEPUNA, Gusbear, Henner Zeller, Isaac Wiebe, Jedediah Kivi, Jeremy, Jon Hartmann, Johnathon Otte, Jonathan Wilt, Josh Hoppes, Julian Meßmer, JWC, Keith Tucker, Kejie YU, Kris Pockell, Lisa L, Manuel Barkhau, M W, Mark Roth, Martha Williams, Matthias S., Merrill Crawford, Michel Pastor, Moopy (Mike), Oliver, OscarCorx, overra, PabloXIII, Parker Jones, Peter Gordon, PeteyPak, PFC_CMC, RPMatthew, Ryan Shoaf, Sam Hodge, Santiago Perez, Scott Schlesier, Shadow VanDusen, Simone Chiesi, Steve C, Syniurge, Ted Brandston, The Coldrays Team, Trance Maharaj, TWSBI, UltimApe, Walter Montalvo, White Hat, Y@, Yanko Yankulov, Alvaro Figueroa https://www.patreon.com/c/NightHawkProjects Thank you for watching! Sat, 13 Jun 2026 13:29:01 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://peertube.dngr.us https://peertube.dngr.us/lazy-static/avatars/41a6fee9-7f57-42d0-a5fc-5db4f1af2e31.png https://peertube.dngr.us/videos/watch/6433017a-d86d-499c-8382-f77c89be5ccd All rights reserved, unless otherwise specified in the terms specified at https://peertube.dngr.us/about and potential licenses granted by each content's rightholder.