tinted lens samples set
Sir William Crookes Anti-Glare Glass Co Ltd; Melson Wingate Ltd
Europe: United Kingdom
case: 42 x 115 x 118 mm; each lens diameter: 39 mm
Eight blue-tinted round Crookes lenses, each with oval paper label. Contained in black skin-covered hinged wooden case with yellow metal clasp, lined in creamy-beige velvet and silk.
Gift of Glasgow Eye Infirmary, 2003