Did you know that radioactive glass was once popular? This yellow-green, florescent and slightly radioactive, Vaseline glass enjoyed popularity in the latter part of the 19th century. You can read more about it in the just released AGR December e-Newsletter Volume 2/Issue 4 in our Library.  If you are not already a subscriber to our free quarterly e-Newsletter you can easily sign up.  Visit our Library – e-Newsletters section.