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1 arc of visibility
sektor widoczności
См. также в других словарях:
Circumhorizontal arc — in relation to 22° arc, Oregon A circumhorizontal arc is an optical phenomenon an ice halo formed by plate shaped ice crystals in high level cirrus clouds. The current accepted names are circumhorizon arc or lower symmetric 46° plate arc[1] The… … Wikipedia
Driver visibility — In transport, driver visibility is the maximum distance at which the driver of a vehicle can see and identify prominent objects around the vehicle.[1] Visibility is primarily determined by weather conditions (see visibility) and by a vehicle s… … Wikipedia
Gas tungsten arc welding — TIG welding of a bronze sculpture Gas tungsten arc welding (GTAW), also known as tungsten inert gas (TIG … Wikipedia
International Regulations for Preventing Collisions at Sea — The International Regulations for Preventing Collisions at Sea 1972 (COLREGS) are published by the International Maritime Organization (IMO), and set out, inter alia, the rules of the road or navigation rules to be followed by ships and other… … Wikipedia
Glossary of nautical terms — This is a glossary of nautical terms; some remain current, many date from the 17th 19th century. See also Wiktionary s nautical terms, Category:Nautical terms, and Nautical metaphors in English. Contents: A B C D E F G H I J K L M N O P Q R … Wikipedia
Marquette Harbor Light — Location Marquette, Michigan Coordinates … Wikipedia
Underwater searches — are procedures carried out by divers in order to find a known or suspected target object or objects in a specified search area under water. There are a number of techniques in general use by Commercial, Scientific, Public service, Military, and… … Wikipedia
Rainbow — For other uses, see Rainbow (disambiguation). Double rainbow and supernumerary rainbows on the inside of the primary arc. The shadow of the photographer s head on the bottom marks the centre of the rainbow circle (antisolar point). A rainbow is… … Wikipedia
Headlamp — Headlight redirects here. For other uses, see Headlight (disambiguation). High Beams redirects here. For the urban legend also known by that name, see Killer in the backseat. A motor scooter s front with an impractical number and variety of… … Wikipedia
optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… … Universalium
lighthouse — /luyt hows /, n., pl. lighthouses / how ziz/. 1. a tower or other structure displaying or flashing a very bright light for the guidance of ships in avoiding dangerous areas, in following certain routes, etc. 2. either of two cylindrical metal… … Universalium