NDGA newsletter features piece on patterns and optics in stretch glass

The National Depression Glass Association has released their April-May 2019 newsletter featuring part 1 of a three-part article written by SGS President Cal Hackeman about stretch glass patterns and optics. Similar to SGS, access to the full newsletter is restricted to current NDGA members.

Part 2 of the article will appear in the next issue of the NDGA newsletter.