Thomson's patents, 73.

Toluene, 146.

Tonite, 84, 146. analysis of, 205. fumes from, 85.

Treatment of waste acids, 43.

Trench's fire-extinguishing compound, 88.

Trebouillet and De Besancele on celluloid manufacture, 92.

Tri-nitro-cresol, 158.

Tri-nitro-toluene, 146.

Tri-nitro-phenol, 152.

Tri-nitro-glycerine, 2, 14.