Eprouvette. Gunpowder triers: an instrument for proving gunpowder.

Etoile. Star.

Etoiles à pet. Stars which explode.

Entonnoir. The crater or tunnel of a mine, as formed by its explosion.

Etoupille. Quick match, leader, match of communication; cotton or thread mixed in a paste, composed of meal-powder, spirits, and a small portion of gum.

Etrangler. Strangling; choaking. The closing of a case, and tying it.

Fanaux de Mer. Ship lights;—Beacons for vessels in the night;—watch-lights.

Feu blanc Indien. Chinese fire.

Feu brilliant. A bright vivid fire. Thus the fire, produced by steel and iron, in fire-works, is denominated a brilliant fire.

Feu commun. Common fire. A fire produced by the mixture of powder and charcoal.