Stetefeldt shaft furnace, [106]
Stream tin, [32]
Sulphide of gold, Formation of, [39], [40], [45], [46]
Sulphides, Experiments on properties of, [41], [42], [53];
calcination of, [100] et seq.
Tank, to find contents of, [189]
Telegraphic code, [138]
Tent, [128-130]
Thames gold-field, Siliceous sinter in, [36]