English glass, the Lorrainers, 303-305 English glass, Venetian glass-makers, 307-308 English glass, early examples, 308-309 English glass, use of coal, 309-310 English glass, patents, 311-314 English glass, flint glass, origin of, 314-319 English glass, rarity of early specimens, 321-322 English glass, drinking-glasses, 322-331 English glass, change towards end of eighteenth century, 332 English glass, facetted glass, 332-333 Engraving on glass, division of technique, 276-277 Ennion, his name found on Syrian glass, 87 Escurial, glazing of windows, 234 _note_ Etching on glass by acid, 277, 281-282 Evelyn, John, on English glass, 314, 331 Facetted English glass, 332-333 Facetting, how made, 332 Facetting, when first in fashion, 332 Fatimi caliphs, their engraved rock crystal, 145, 146 Fatimi caliphs, glass coin-like discs, 146-147 Favrile glass, 357, 359 Fern ashes, used for making glass, 136 _Fiala_, word, how used by Dante, 176 _note_ ‘Fiat’ or Jacobite glasses, 330-331 Fichtelgebirge glasses, 267-268 Fillon, Benjamin, on glass in Western France, 84-85 ‘Flashing’ or ‘spinning’ to form a disc of glass, 14 Flemish school, glass in pictures of, 244 Flints, early use in English glass, 317 Flint-glass, _à l’Anglaise_, 242 Flint-glass, beauty of English, 299-300 Flint-glass requires ‘closed pots,’ 310 Flint-glass, when first made, 314-319 Flint-glass, composition, 319 Flint-glass, optical qualities, 320 Flint-glass, materials used, 334 _Flügel-gläser_, 257 ‘Flutes,’ Dutch, diamond-scratched, 296 ‘Forest glass,’ see ‘_Verre de Fougère_.’ Fostat or Old Cairo, fragments of glass from, 173 Frankish glass from the Meuse valley, 107-108 Frankish princes in Syrian coast towns, 176-180 Franko-Saxon glass, 107-108 French glass of Renaissance, 220-239 French glass, advance of _cristallo_, 220-223 French glass, Altarists, 223-224 French glass, rarity of, 225 French glass, literature, 225 French glass, hawkers of glass, street cries, 228 French glass, claims to nobility, 230-231 French glass, local glass-works, 232-234, 236, 238 French glass, plate-glass, 235 French glass, inscriptions on, 237-238 French glass, enamelled glass, 237-238 French glass, opaque white glass, 239 French mediæval glass vessels, 134-135 _Friolaro_, meaning of term, 176 _note_ Frit-ware of early Egyptians, 21 Frontinus, his name found on Gaulish glass, 88 Frosted or crackle glass of Venice, 203 Gallé, Émile, his glass, 358-359 Garzoni on Venetian glass, 215-216 Gaul, Roman glass in, 81-85 _Gentilshommes de verre_, 230-231 German mediæval glass, 137 German mediæval glass mirrors, 138 German glass, 251-293 German glass, mediæval forms, 251-252 German glass, green glass, 252-255 German glass, Venetian influence, 255-258 German glass, rivalry to Venice, 258 German glass, from Bohemian frontier, 258-260 German glass, glass furnaces, 261, 263 German glass, how made, 263 German glass, enamelling on, 264-273