A nautical astronomical observation of the sun, moon, or a star, by which means a vessel's position can be determined. The sight was taken with a sextant at a specific time, determined by a chronometer.

A draft payable upon presentation to the drawee.

Observing with the eye. Applied to a document, means examining and signing as evidence of satisfaction as to its authenticity.

Drydocking, beaching, or careening a vessel and carefully examining the bottom with a view to ascertaining any damage it may have.

Words incorporated when signing under duress and not concurring entirely with import of document signed, and after stating grounds of non-concurrence.

A desiccant most commonly used in heat regenerative type dryers.

To call out.

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

A type of radio carried on a boat to transmit long distances.

Machines having only one impeller.

Machines in which air or gas is compressed in each cylinder or casing from initial intake pressure to final discharge pressure.

To cast off all but one remaining line.

Any paint gun which uses air flowing over an opening to create a vacuum to draw paint up a tube to be atomized.

Mythical sea nymphs who charmed men with their melodious voices. Enchanted, the men would stop all work to listen and they would ultimately die of starvation because of their inability to sail any further.

Two iron flatsided hooks reversed to one another.

Ships built on the same design.

Eight double strokes on ship's bell; customarily struck at midnight when new year commences.

An extension of the keel for protection of propeller and rudder.

The hull without the outside and inside plating.

Battens, or a series of parallel runners, fitted beneath boxes or packages to raise them clear of the floor to permit easy access of forklift blades or other handling equipment.