An instrument for measuring radiant energy. It consists of an ether differential thermometer with blackened bulbs. One of the bulbs is exposed to the unknown radiation and the other to a black body source whose temperature can be varied. Equality of radia ...

A vent used with pressure sensors to reduce the effect of wind on the pressure inlet. It is normally mounted remotely and connected to the sensor using airtight tubing.

The setting of the price of gold by dealers (especially in a twice-daily London meeting at the Bank.

is the design (built-in) compression ratio for a rotary unit having this feature

Ice crystal deposits formed by sublimation (conversion of water vapor directly to ice) when temperature and dew point are below freezing.

Wind with a speed between 41 and 47 knots (47 and 54 mph); Beaufort scale number 9.

An early and once universal name for the mercury barometer.

The short deckhouse or main hatchway which is raised above the level of the cabin top or coachroof.

A measure of window glazing performance that is the ratio of the total solar heat gain through a specific window to the total solar heat gain through a single sheet of double-strength glass under the same set of conditions; expressed as a number between 0 ...

Said of a seaman who has retired from sea service.

Pertains to the machining characteristics of an alloy to which one or more ingredients have been introduced to give small broken chips, lower power consumption, better surface finish, and longer tool life; among such additions are sulfur or lead to steel, ...

A registered trademark for a cholorflourocarbon (CFC) gas that is highly stable and that has been historically used as a refrigerant.

A cylinder used to carry rotating machine parts, such as pulleys and gears, to transmit power or motion; such as a propeller shaft.

A mortgage where regular payments (usually monthly) only meet the interest requirements. The.

In meteorology, an area of low pressure; a low or trough.

An instrument used for measuring the specific gravity of a liquid.

Deals on an exchange where investors are obliged to settle immediately rather than on.

A wooden lattice-work covering a hatch or the bottom boards of a boat; similarly designed gratings of metal are frequently found on shipboard.

A multiplying factor for applied stress that allows for the presence of a structural discontinuity such as a notch or hole; Kt equals the ratio of the greatest stress in the region of the discontinuity to the nominal stress for the entire section. Also ca ...

The temperature to which a sample of air must be cooled, while the mixing ratio and barometric pressure remain constant, in order to attain saturation by water vapor. When this temperature is below O