FRACTURITE.—A coal-mine explosive formerly on the Permitted List, made by the British Explosives Syndicate, Ltd.—

Nitroglycerine52·5
Collodion cotton3·5
Potassium nitrate23 
Wood meal6 
Ammonium oxalate  15 

FUEL-ITE.—There is a series of coal-mine explosives of this name on the American Permissible List. Nos. 1 and 2 are nitroglycerine explosives of the [Carbonite] type. No. 3 is an ammonium nitrate explosive.

FUELLPULVER (or FP.) is the name given by the Germans to mixtures of trinitro-toluene and ammonium nitrate used for filling shell. Fp. 60/40, for instance, is a mixture of 60 parts trinitro-toluene and 40 parts of ammonium nitrate, and is consequently the same as [Amatol 40/60]. Fp. without figures stands for trinitro-toluene.

*FULMEN POWDER is a 33-grain smokeless powder for shot-guns made by the Schultze Gunpowder Co.

FULMENIT.—A blasting explosive made by the German Nobel Co., containing ammonium nitrate, vegetable meal or charcoal, paraffin oil, trinitro-toluene and guncotton.

WETTER-FULMENIT is a coal-mine explosive which has been much used. It differs from the above in containing also sodium or potassium chloride—

Fulmenit.   Wetter-Fulmenit.
Ammonium nitrate  86·5 76  76·5
Guncotton 4  0·5 4 
Trinitro-toluene 5·5 11·8 5·5
Charcoal 1·5 1·5 1·5
Paraffin oil 2·5 0·2 2·5
Sodium chloride 10  10 

FUMYL.—A smoke-producing explosive containing trinitro-toluene and ammonium chloride, used for opening poison-gas shell, etc.

GATHURST POWDER.—An explosive of the [Grisounite] class. According to an analysis given in Cundill and Thomson’s Dictionary it consisted of—