Fuels, Heat values of, [184]
Furnaces used in calcining, [101] et seq.
Fusing points, [184]
Gold, Value of, [1];
Origin and sources of, [2-7];
Modes of occurrence, [10], [11];
Prospecting for, [13] et seq.;
Signs of, [26];
Fuels, Heat values of, [184]
Furnaces used in calcining, [101] et seq.
Fusing points, [184]
Gold, Value of, [1];
Origin and sources of, [2-7];
Modes of occurrence, [10], [11];
Prospecting for, [13] et seq.;
Signs of, [26];