Securities, such as some debentures (perpetual debentures) and certain government loan stock.

A device which operates compressors in sequence according to a programmed schedule.

To approach something from upwind

The measure of overall efficiency for a variety of appliances. For water heaters, the energy factor is based on three factors: 1) the recovery efficiency, or how efficiently the heat from the energy source is transferred to the water; 2) standby losses, o ...

A unit of work done by the force of one dyne acting through a distance of one centimeter.

To capsize.

Amount of time for a compressor to complete one cycle.

Wind with a speed between 34 and 40 knots (39 and 46 mph); Beaufort scale number 8.

A liquid-in-glass thermometer which uses an organic substance such as alcohol as the thermometer liquid. This type of thermometer has a low freezing point and a high coefficient of expansion. It is less accurate, however, than a mercury thermometer.

A lamp that consists of a sealed arc tube inside a glass envelope, or outer jacket. The inner arc tube is filled with elements that emit light when ionized by electric current. A ballast is required to provide the proper starting voltage and to regulate c ...

An old method of cleaning a vessels bottom by burning off weed, barnacles or other growth while the vessel was in dry dock or careened. Breaming was also known as graving.

One which blows across a boat's side

see Watch

A sound signal device (not necessarily mechanically operated).

The record or trace made by a microbarograph.

A graduated scale placed in a position so that the stage of a stream may be read directly from it. Staff gauges may be placed on bridge piers or pilings, etc., or placed on specially constructed supports.

The upward force produced by the gas in a balloon. It is equal to the free lift plus the weight of the balloon and the attached equipment.

A power-operated device with one or two drums to ensure that the working part of the fibre rope is reeled in no more than one layer. It may be used in conjunction with a rope storage reel.

An optical device for concentrating light that is made of concentric rings that are faced at different angles so that light falling on any ring is focused to the same point.

A process resulting in adecrease of the toughness or ductility of a metal due to the presence of atomic hydrogen. Hydrogen embrittlement has been recognized classically as being of two types. The first known as internal hydrogen embrittlement, occurs when ...