Many libraries have received glasses for free from the Space Science Institute, which is a reputable organisation funded by NASA, the National Science Foundatio

Many libraries have received glasses for free from the Space Science Institute, which is a reputable organisation funded by NASA, the National Science Foundation, and others. There's a map of libraries on their website: http://spacescience.org/software/libraries/map.php http://spacescience.org/software/libraries/map.php If yours is on that list, you should be pretty safe, I think.