Tour ill on

Trunnion (also used of other cylindrical supports, e.g., of peg carrier of 155 ¢.t.r. breech block). Gudgeon. Hingepin. Journal.—Dis positif 4 petit is tourillons. Arrangement in which an inner small diameter trunnion carries the gun during loading, while a larger one takes the firing-stre .—Tourillons suspend us. Trunnions supported on springs (which crush down on firing), so as to reduce friction during the proce of elevating. Tourillons 4 cylindres.—Roller bearing trunnions.—Tourillons a billes. Ball bearing trunnions.—Tourillons en forme de coquille. Trunnions hollowed to receive inner trunnions (e.g., of cradle) on same axis.—Axe des tourillons. Axis of trunnions.—Tourillons arriéres. (Tourillons reportés en arriére). Rear trunnions. [p.585]