Cleaning objects in the collection is an important part of their care. Dusting and light cleaning (which can be a challenge itself; read about it in this recent blog post, Maintaining the shine) is usually done by the preparators, while the more complete and complicated cleanings are done by the conservators. Most objects will only need to be cleaned by the conservators once after entering the museum’s collection. Read more about how and why we clean our glass in this previously published blog post about Washing Glass.
Here are 10 of the most difficult cleaning challenges found in the glass collection (click on each image for descriptions):