Tobacco pipes, how made, 73 —— ——, Turkish, of what made, 84 Topaz, description of, where found, and how obtained, 35, 36 ——, value, uses, and properties of, 36 ——, Oriental, 32 ——, Brazilian, Saxon, Bohemian, blue, pink, white, or Nova Mina, 37 Tourmaline, description and properties, and uses of, 40 Trap, primitive, 228 Tripoli, description and use of, 76 Tufa, description and uses of, 113, 114 Turkey stone, description and uses of, 81 Turquoise, description of, how imported, and uses of, 189 ——, spurious kind, how detected, 190 Tutenag, of what made, and uses of, 210 U. Ultramarine, how made, and uses of, 68 Umber, description and use of, 199 V. Verde antique marble, 102 Verdigris, how made, and uses of, 186 ——, distilled, what, and uses of, 186 Vermilion, what it is, and how made, 177 Vesuvian, description and use of, 43 Vienna white, of what made, 100 Vitriol, ——, blue, description of, how made and uses of, 140 ——, green, or iron vitriol, 199 ——, white, 141 ——, spirit of. See Sulphuric acid. —— ——, pleasing experiment with, 142 W. Water, uses and analysis of, 238, 239 ——, rain, description and properties of, 240 ——, ice and snow, description, properties, and uses of, 240 ——, spring, river, and stagnant, 241─245 ——, putrid, how to render sweet, 243 ——, sea, 244 ——, Malvern, 246 ——, Bristol Hot─well, 246 ——, Matlock and Buxton, 248 ——, Bath, 249 ——, Aix─la─Chapelle, or Aken, 250 ——, Borset, 252 ——, Vichy, 253 ——, Carlsbad, 254 ——, Sedlitz, 255 ——, Epsom, 256 ——, Seltzer, 256 ——, Tunbridge, 257 ——, Spa, 258 ——, Pyrmont, 259 ——, Cheltenham, 260 ——, Brighton chalybeate, 261 ——, Harrowgate, 262 ——, Moffat, 264 Whet─slate, description and uses of, 80 Whiting, of what made, 100 Window glass, how made, 55 Wine, antimonial, how prepared, and use, 217 ——, how to detect the adulteration of, 207 Woodstone, description and uses of, 51 Writing slates, how made, 78 Y. Yttria, 16 Z. Zaffre, what, how made, and uses of, 221 Zinc, whence obtained, and how extracted from the ore, 209 ——, uses and properties of, 210 ——, oxide of, used as paint, 211 ——, white, how prepared, 141 Zircon, 29 END OF VOL. I. C. Baldwin, Printer, New Bridge─street, London. ──────────────────────────────────────────────────────────────────────── ● Transcriber’s Notes: ○ The outline provide by the author (page 21) did not match the text in two places: ▪ “II. SOFT STONES” was changed to “ORDER II. SOFT STONES”. ▪ “ORDER II.—SALINE STONES” was changed to “ORDER III—SALINE STONES”.