E

A sudden and violent flow of tide; the whole of the flood tide moving up a river in one or…

A rope which secures the cringle of a sail in bending and reefing. (See Reef Earing.)

The globe; the terrestrial sphere; in form an oblate spheroid; the third planet in order from…

(See Earth.)

An order to the wheelsman when the ship is close hauled signifying that the wheel is to be put…

To slacken; to come up with.

(See Ease Her.) To throw the guns overboard.

The cardinal point in that part of the horizon where the heavenly bodies rise.

A compass has easterly deviation when the north point of the needle is inclined to the right…

A compass has easterly variation when the north point of the needle is inclined to the right…

An order not to pull or haul strongly.

Making progress against the wind when close hauled.

The reflux of the tide; the running out of the tide towards the sea; the receding of the…

A circular disc or frame bored out and fitted on a shaft, the centres not being coincident.…

The rod connecting the eccentric strap with the other part of the valve gear.

The band which encircles the circumference of an eccentric and in which it revolves.

An imaginary great circle of the heavens or of the sphere, which represents the path described…

To gradually decline from the course, or from the shore.

A gradual approach towards the shore, or a vessel, or other object.

Sawing or hewing it narrower.

To make good a deficiency in the length of a timber.

Making good a deficiency in the length of any piece by scarphing or butting, as at the end of…

The strain in pounds that a bar of metal of one inch area of cross section will endure at the…

When two crosses exist in a hawse, owing to the bad trending of a vessel.

(See Compass.)

The pole above the horizon of the observer-equal to the latitude of the place.

The orthographic draught, or perpendicular plan of a ship, whereon the heights and lengths are…

An oval-shaped, overhanging stern.

An eye in the end of a hawser containing a thimble.

An oval figure; the orbits of planets.

A stern shaped in a manner to resemble the section of a cone; an oval-shaped stern.

A high explosive, named after its inventor--Emmons.

Moving anything so that it will assume a reverse position.

?o advance head on against anything, such as a vessel, or the shore, or other object.

The mechanism by means of which part of the energy stored in steam is converted into useful…

The parts connecting the cylinder to the bed-plate.

The fore-and-aft timber or iron framework, made fast to the inside of the bottom of the…

The compartment in which the main engine is located.

1 bell, if engines are stopped.....Ahead slow. Jingle bell additional.....Full speed. 1 bell,…

An electrical or mechanical system of wires, indicators, etc., located in and between the…

A person responsible for the care and operation of the engine and boilers.

The engineer corps of the U. S. Navy consists of one Engineer-in-chief with the relative rank…

(See Engine-room Bells.)

Engineers on board merchant ships are classed as Chief, First, Second, and Third Assistant.

A first-class petty officer who has charge af all engineers' stores, keeps the accounts of his…

The bell signals rung by the deck officers to the engineer in the engine-room to direct the…

A circular instrument placed on the bridge and elsewhere about the decks of steamships, and…

The wind is said to enlarge when it draws more aft.

A marine document issued to a vessel of the United States by the customs officials. Vessels of…

The national flag.

An officer next below the rank of lieutenant, junior grade, and next above that of midshipman.

The halliards by which the ensign is hoisted, whether the latter is shown at the stern or at…

To enter a vessel the master must report himself upon arrival to the customs officials, and…

In old line-of-battle ships an entering port was cut down to the level of the deck on the…

The lower part of the vessel's bow above the water line.

A term applied to the forepart of the ship under the load-water line--as "She has a fine…

The difference in length between time as measured by the sun and time as measured by the moon.

An astronomical almanac; a tabulated form assigning the place of heavenly bodies for various…

An abridged work on navigation.

Double altitudes of the sun-one taken before and the other after meridian, when the angular…

To make equal.

In measuring equal altitudes of the sun the declination of that body changes in the interval…

The difference between apparent and mean time. Apparent noon sometimes takes place 16 m. 21…

That great circle of the earth the plane of which is perpendicular to the axis of the earth;…

(See Earth.)

The westerly flow of the sea near the equator.

(See Earth.)

An instrument employed for ascertaining the difference in the declination and right ascension…

A telescope mounted in such a manner that the observer is enabled to follow the stars in their…

A rhumb line; a line cutting the meridians at a constant angle.

(See Balanced Valve.)

The celestial equator.

The meridian passing through the equinoctial points.

Storms occurring about the time the sun crosses the equator-about March 21 and September 20.

The two opposite points in which the ecliptic and equinoctial intersect each other. The points…

Formerly called ship's yeoman. A first-class petty officer who has charge of all stores in the…

The pipe leading waste steam from the safety valve to the atmosphere.

The place on the stern of a vessel where the name is either painted or raised.

(See Tide Establishment of the Port.)

It being of great importance to determine the time of high water for various ports, a standard…

Winds that blow at stated times of the year.

A length of wood having a number of parallel holes bored in it, and used to spread the legs of…

When a vessel has no list, and is resting on the water so that the same proportion of the…

A ship is said to be on an even keel when she draws the quantity of water abaft as forwards;…

The gun fired at tattoo (9 p. m.)

(See Euphroe.)

The first lieutenant of the ship, or the officer next in rank to the commander. The executive…

The steam discharged from the cylinder after having performed its work.

The hook on the end of the eccentric rod which works the exhaust valve gear.

(See Lap.)

(See Lead.)

The line which is traced on an indicator diagram from the time the exhaust valve opens until…

The pipe which leads the exhaust steam from the cylinder to the atmosphere or the condenser.

The opening in the valve seat communicating with the exhaust passage and pipe.

That valve which controls the periodical release of steam from the cylinder.

That property of steam which enables a given quantity of it to fill an increasing volume at a…

The mechanism for controlling the movements of the expansion valve.

A joint in a line of pipe which allows the pipe to expand or contract, the distance from end…

The line traced on an indicator diagram from the time the steam valve closes until the exhaust…

The valve which shuts off the admission of steam to the cylinder before the piston has reached…

Under this head are classed dynamite, gun cotton, nitro-glycerine, fulminates, gelatine and…

(See Protest.)

A tool used for extracting the empty case from the gun after firing.

A screw-bolt having a thread cut on one end and an eye formed at the other.

A bolt having an eye in one end driven through a vessel's side or deck until the shoulder…

Small holes worked in a sail, and through which the reef points are thrust for half their…

The loop in a shroud or stay that goes over the mast-head: the hole in the top part of the…

A seizing which is put on the strop of a block to form the eye and to jam the strop in the…

A loop formed in the end of a rope by short-splicing its own end. (See engraving.)