Northwood Glass Company

However, the company was later relocated to Ellwood City, Pennsylvania, where it failed to thrive.

[5] Golden Iris was the name of the first caravel glass treatment that Northwood developed in 1908.

[1] The other carnival glass treatments made by Northwood were Emerald, Azure, Florentine, Perl, and Pomona.

Base colors for Northwood were green, amethyst, and cobalt blue.

[6] Some of the patterns were: The most common Northwood maker mark was an underlined capital N centered inside of a circle.