‘Claw’ handles on Roman glass, [62], [83]
Cluny Museum, Saracenic glass, [166]
Coal, use of, for glass furnace, [309-310]
Coal, involves ‘closed pots,’ [310]
Cobalt in Venetian glass, [218]
Cobalt blue of mediæval window-glass, [133]
Cogoli, white pebbles, [215], [317]
Coin-like discs of glass in Egypt, [146-147]
Colbert and plate-glass, [210], [235]
Colchester, Roman glass from, [86]