Chapter XLII
GLASS AND POTTERY.
Glass an artificial silicate.—Manufacture.—Importance.—
Porcelain and pottery.
CHAPTER XLIII.
METALS AND THEIR ALLOYS.
Comparison of metals and non-metals.—Alloys.—Low fusibility. —
Amalgams
CHAPTER XLIV.
SODIUM AND ITS COMPOUNDS.
Order of derivation.—Occurrence and preparation of sodium chloride; uses.—Sodium sulphate: manufacture and uses. —Sodium carbonate: occurrence, manufacture, and uses.— Sodium: preparation and uses.—Sodium hydrate: preparation and use.— Hydrogen sodium carbonate.—Sodium nitrate