Douille

+ Tubular casing. Socket. Bush. Sleeve. Cartridge. case (guns). Form of tube case. Detonator sleeve. Gaine or container. Casing at head of elevating screw. Socket of triangular or rod bayonet, and of bayonet joint. Holder of electric light bulb. Handspike socket. Douille d’amorgage. Primer of a slab explosive.— Douille d’amorce. Detonator sleeve——Douille de roule ment. Pipe box.—Douille de prise de courant. Contact socket (fitting to take electric light bulb).—Douille-entretoise. Transom (240 mm. trench howitzer equipment).—Douille a clef. Hlectric light bulb holder with switch (as in reading lamp.—Douille de per cut eur. Cylindrical plug forming part of the carrier on which the breech block of 155 C.T.R. works. — Douille de clavetage. Buffer attachment horn (155 C.T.R.). [p.192]