A sound signal device (not necessarily mechanically operated).

Air cylinder

A joint Bureau of the Census' International Trade Administration form used for compiling U.S. exports. It is completed by a shipper and shows the value, weight, destination, etc., of export shipments as well as Schedule B commodity code.

Any point of sail with the wind coming from the side of the boat. If the wind is coming from directly over the side, it is a beam reach. If the wind is coming from forward of abeam it is a close reach. If the wind is coming from over the quarter, it is ca ...

To reach the end; to bring one object hard up against another, as when two blocks in a block and tackle arrangement are brought together.

Money paid by shipper to Master of ship for diligence in care of cargo. Not now paid to Master, but added to freight. Amount was usually about 1% of freight.

It is the weight of the column of air existing above the earths surface at 45

To haul on a rope, to haul up tight, to hoist the last possible inch or so.

First attempt at best offer that can be matched

Heavy, linked chain secured to an anchor for mooring or anchoring.

Heavy weight,which gives a ship stability when the vessel is not carrying cargo.

Air pressure

On square-rigged ships, an additional sail set in good weather outside the square sails when the wind was abaft the beam.

Area of high barometric pressure where the wind circulates clockwise in the Northern Hemisphere, and counter-clockwise in the Southern Hemisphere. These are fair weather systems with light or moderate winds.

Is one in which there is no liquid injection and/or liquid circulation for evaporative cooling or sealing.

Break; e.g., the line parted under strain

A vessel's position determined by observation and navigational data.

A pair of additional backstays temporarily rigged to provide extra support to the masts of square rigged vessels when sailing downwind.

On older sailing ships, a heavy piece of curved timber projecting from the bow for the purpose of holding anchors in position for letting go or for securing them after weighing.

A ship drives when her anchor fails to hold and she is at the mercy of wind and tide, or when she can make no progress against the wind.