The chamber was only ten feet square, its front and side walls made of protective glass to allow viewing.
Anybody who kept protective glasses on during totality wouldn't see anything at all.
The window through which the food can be seen is made of the same protective glass used for welders' helmets.
He has worn protective glasses since returning on November 27.
The photographs are presented under thick protective glass reflecting the room and the viewer.
As long as they were wearing the protective glasses, he could not lock eyes with them.
Paintings are harder to borrow, and increasingly they must be shown under protective glass.
But everyone, without exception, wore sun hats and protective glasses.
In the gallery, most of the books are open on pedestals without protective glass.
This table is also covered with red velvet, but without protective glass.