The inside of this crate is divided into individual cells, each containing a stack of matte glass disks, wrapped in cloth with layers of straw between them to keep them immobile. These glass blanks can be polished and ground by craftsfolk to make lenses and other precision works.

The inside of this crate is divided into individual cells, each containing a stack of matte glass disks, wrapped in cloth with layers of straw between them to keep them immobile. These glass blanks can be polished and ground by craftsfolk to make lenses and other precision works.

The inside of this crate is divided into individual cells, each containing a stack of matte glass disks, wrapped in cloth with layers of straw between them to keep them immobile. These glass blanks can be polished and ground by craftsfolk to make lenses and other precision works.