Field on celluloid, 93, 99.
Firing-point of explosives, 247.
Filite, 180.
Filtering nitre-glycerine, 37.
Flameless explosives, 89, 138, 144.
Formation of white matter in the nitration of N.G., 39.
Forcite, 119.
France, 82.
Free fatty acid in glycerine, 39, 235.
Freeing nitric acid from N_{2}O_{4}, 25.