By placing ingots in a furnace and observing which one melted a fair idea of the temperature was obtained.
The great contrast in apparent structure between cooled ingots of Class I.
Fine gold ingots (the " bar gold " of commerce) are usually about 400 oz.
Their general purport is shown in many cases by pictorial figures relating to various objects which appear on them - such as chariots and horses, ingots and metal vases, arms and implements, stores of corn, &c., flocks and herds.
The important exports are gums and resin, fibre, hides, ivory, ostrich feathers, coffee, ghee, livestock, gold ingots from Abyssinia and mother-of-pearl; the shells being found along the coast from Zaila to beyond Berbera.