Condition - Very Good The item shows wear from consistent use, but it remains in good condition and functions properly. Item may arrive with damaged packaging or be repackaged. It may be marked, have identifying markings on it, or have minor cosmetic damage. It may also be missing some parts/accessories or bundled items.
Coloured Glasses
The constitution of coloured glasses, the colours of glasses produced by various colouring ions and other additions are explained in this classic work. The colours of glasses produced by non-metallic elements; sulphur, selenium, tellurium, phosphorus, and their compounds. The colours produced by metal atoms; gold, silver and copper. In addition, fluorescence, thermoluminescence and solarisation are also described.