A flexible strip used for fairing lines.

White-lead and tallow used on standing rigging.

Old sailor's term for a flat calm with no wind.

The ratio of the real gas isentropic power consumption to shaft input.

Abrasion, wear or damage to a line caused by rubbing against another object

A structure erected to display a characteristic light as a warning of danger at sea and as an aid to navigation.

A moment of time which could be measured by the shaking of a sail as a sailing ship comes into the wind.

See Brokerage.

National Electrical Manufacturers Association.

Waterproof clothing.

Polyethylene or similar substance heat-treated and shrunk into an envelope around several units, thereby securing them as a single pack for presentation or to secure units on a pallet.

Chemicals containing carbon and hydrogen.

The piston only compresses air with its stroke in one direction.

A two-masted vessel with foremast square rigged, and mainmast fore and aft rigged. Originally, a ship of brigands, or pirates.

Flat steel stock of various thicknesses used in the construction of a ship to form the sides and decks.

Rotative speeds at which rotating machinery-axial or screw lobe-pass through unbalanced operation.

The metal axle of a block upon which the sheave revolves.

A compressor belonging to the group of displacement rotary compressors, a type of valve less displacement machine. Also referred to as "Roots blower".

Sums paid by agent on behalf of owner at a port and recovered by disbursements account.

A sail having battens that run the full horizontal length of the sail.