Every Thursday leading up to USGlass magazine’s 50th Anniversary celebration in August, USGNN.com™ is taking a look back at past issues and highlighting advertisements, stories and images that ran throughout the publication’s half-century life. This week, we’re taking a look at a special issue.

Check out three different covers between 1970 and 1974 of the “Today’s Sealants” special coverage issue.

February 1970
February 1970

 

March 1972
March 1972

 

March 1974
March 1974

Each special issue provided a directory of sealant and glazing systems suppliers and featured stories around the topic.

What do you think? What has changed the most since then, and what would you like to see in a future edition of Throwback Thursday? Leave your thoughts in the comment section, and we’ll see you next week!