Adventure Archaeology 10 Feet Down: Vintage Cobalt Glass Treasures Found! Posted: October 29, 2024 | Last updated: October 29, 2024 On a mission to find vintage bottles, we dug deep—10 feet deep ...

All together a highly useful metal. Before I even thought about the chemistry of colour I developed a love for blue glass, something I still collect to this day. Only after studying the transition ...