Duncan and Miller Glass (1900–1955)
Glassmaking was a family trade for the Duncans. George Duncan bought the Ripley Glass Company in Pittsburgh in 1865. He renamed it George Duncan and Sons after he deeded equal shares to his sons and his son-in-law, Augustus H. Heisey. The Duncan company joined the U. S. Glass Company in 1891. Augustus Heisey left in […]