Cuthbert on glass-workers brought from Mainz, [113]

‘Cylinder-process’ described by Theophilus, [128-129]

‘Cylinder-process’, used for mirror-glass, [209], [210 note]

‘Cylinder-process’, used by Lorrainers, [303]

Cyprus, primitive glass from, [36], [37-38]

Cyprus, enamelled glass from, [47]

Czihak, Von, Schlesische Gläser, [259 note]

Damas, verre de, [136]

Damas, façon de, [181]

Dante on glass mirrors, [138]