Gas Check Seat to Gunner's Mate

That part of the plug where the gas check finds its place.

A repeating machine-gun, named after its inventor, Dr. Gatling, of this country, and is also known as mitrailleuse; consists of a number of breech-loading rifled barrels revolving about a common axis. Twelve hundred shots per minute have been fired by this gun.

Small shot done up in a strong canvas bag and bound together by a cord network on the outside of the bag.

A carriage that will recoil up an inclined plane on firing and return to battery by its own weight.

(See Hand Grenade.)

The marines attached to a vessel or navy yard.

A picket boat.

A receiving ship at a navy yard or station from which men are drafted and paid off.

A man-o'-war which looks after the marine affairs in a harbor, and is distinguished by a guard flag flown at the fore.

Heavy ordnance--mortars and howitzers not included.

Breech-loading Guns. Guns in which the charge is inserted at the breech.

Built-up Guns. Parts formed separately and then united by welding the parts together, or by shrinking one part over another.

Hooped Guns. Same as Built-up Guns.

Muzzle-loading Guns. Guns in which the charge is inserted at the muzzle.

Rapid-Fire Navy Guns. Guns that can be discharged about 6 times per minute. The projectiles of these guns are 4, 5 and 6 inches respectively, weighing from 34 lbs. to 100 lbs.

Rifled Guns. Guns having spiral grooves cut in the surface of the bore.

Smooth-Bore Guns. Guns having a perfectly smooth-bore surface. (See Table of U. S. Naval Breech-loading Guns.)

A small vessel carrying one or more guns.

A fast vessel, carrying a moderate battery, and designed to prey upon the enemy's commerce.

A support for a piece of ordnance, offering facilities for elevating, depressing and training the same.

(See Explosives.)

A deck on which cannon are carried below the spar deck.

The morning or evening gun.

All the tackles and implements belonging to the gun and carriage.

A bronze made of ninety parts of pure copper alloyed with ten parts of pure tin.

A contrivance employed for determining the roll of the vessel.

An after-room found on old line-of-battle ships in which the midshipmen and ensigns lived. It was situated on the deck next below the wardroom, being directly under the latter.

The stern ports of the gunroom.

Iron chains or wire rope to pass about the chase of the gun, and used for hoisting guns on and off a vessel.

A warrant officer, under whose special charge are the battery, magazines, small arms, ordnance stores, torpedoes, etc.

Quarter Gunner. A third-class petty officer who takes care of the guns and gear of the division to which he belongs.

The chief gunner's mate, gunner's mates, quarter gunners, armorer, and armorer's mate.

A petty officer of the second class, whose station is in the magazine when in action. The chief gunner's mate assumes the duties of gunner in the event of accident to or absence of that officer, and rates in the latter case as a first-class petty officer.