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Silva Compass
Silva Sweden AB is an outdoors products company, most known for their high-grade compasses and other navigational equipment including GPS, GPS tools, Map, mapping software, and altimeters for aircraft. They also offer a Marine (ocean), marine range. The company's founders - Gunnar Tillander, Alvar Kjellström, Alvid Kjellström, and Björn Kjellström - invented the hugely popular orienteering or protractor compass used around the world for outdoors navigation. Silva Sweden AB is a company created and based in Sweden that exports worldwide, and operates in numerous countries. They have marketing companies in Stockholm, Sweden, Mantes-la-Ville, France, Friedrichsdorf, Germany, and Livingston, West Lothian, Livingston, Scotland. Silva compasses are produced by the HANZA Group's facilities in Suzhou, China.SILVA slutar med egen tillverkning och väljer HANZA som ny tillverkningspartner' myNEWSdesk, 15 March 2018, retrieved 31 May 2019Svensk Verstad Industri, HANZA vald tilltillverkni ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
SILVA
Silva is a surname in Portuguese language, Portuguese-speaking countries, such as Portugal and Brazil. It is derived from the Latin word , meaning "forest" or "woodland". It is the family name of the House of Silva. The name is also widespread in Galician Language, Galician-speaking regions of Spain (mostly in Galicia (Spain), Galicia) and even more so in regions of the former Portuguese Empire in the Americas (being the most common surname in Brazil), in Africa and Asia, notably in India and Sri Lanka. It is also quite common in Spanish-speaking Latin America. Movement of people has led to the name being used in many places. Due to emigration from Portuguese-speaking countries, Silva (and the variants Da Silva and De Silva) is the fifth most common surname in the French department of Val-de-Marne, outside Paris, and it was the 19th most common family name given to newborns between 1966 and 1990 in France. It is also the seventh most common surname (and the most common non-German ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Johnson Outdoors
Johnson Outdoors Inc. () produces outdoor recreational products such as watercraft, diving equipment, camping gear, and outdoor clothing. It has operations in 24 locations worldwide, employs 1,400 people and reports sales of more than $315 million. Helen Johnson-Leipold, one of Samuel Curtis Johnson, Jr.'s four children, has run the company since 1999. Company history The company, previously known as Johnson Wax Associates, grew out of diversification and acquisition efforts by S. C. Johnson & Son during the 1970s. It became a profitable, self-sustaining outdoor equipment business known as Johnson Camping, Inc., later renamed Johnson Worldwide Associates (JWA). Silva Compass (discontinued) From 1980, JWA imported Swedish-made compasses manufactured by Silva Production AB (Silva Group) for sale in North America. In 1996, a decision by Silva Production AB of the Silva Group parent to begin marketing its Swedish-made ''Silva'' brand compasses via a new distribution network in Nor ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Headlamp (outdoor)
A headlamp or headlight (known as a head torch in the UK) is a light source affixed to the head for outdoor activities at night or in dark conditions such as caving, orienteering, hiking, skiing, backpacking, camping, mountaineering or mountain biking. Headlamps may also be used in adventure races. Headlamps are often used by workers in underground mining, search and rescue, surgeons, and by other workers who need hands-free lighting. Description Headlamps are usually powered by three or four AA or AAA batteries. Systems with heavy batteries (4xAA or more) are usually designed so that the light emitter is positioned near the front of the head, with the battery compartment at the rear of the head. The headlamp is strapped to the head or helmet with an elasticized strap. It is sometimes possible to completely disconnect a headlamp's battery pack, for storage on a belt or in a pocket. Lighter headlamp systems are strapped to the user's head by a single band; heavier ones utiliz ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tritium
Tritium ( or , ) or hydrogen-3 (symbol T or H) is a rare and radioactive isotope of hydrogen with half-life about 12 years. The nucleus of tritium (t, sometimes called a ''triton'') contains one proton and two neutrons, whereas the nucleus of the common isotope hydrogen-1 (''protium'') contains one proton and zero neutrons, and that of hydrogen-2 (''deuterium'') contains one proton and one neutron. Naturally occurring tritium is extremely rare on Earth. The atmosphere has only trace amounts, formed by the interaction of its gases with cosmic rays. It can be produced artificially by irradiating lithium metal or lithium-bearing ceramic pebbles in a nuclear reactor and is a low-abundance byproduct in normal operations of nuclear reactors. Tritium is used as the energy source in radioluminescent lights for watches, gun sights, numerous instruments and tools, and even novelty items such as self-illuminating key chains. It is used in a medical and scientific setting as a radioacti ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Degree (angle)
A degree (in full, a degree of arc, arc degree, or arcdegree), usually denoted by ° (the degree symbol), is a measurement of a plane (mathematics), plane angle in which one Turn (geometry), full rotation is 360 degrees. It is not an SI unit—the SI unit of angular measure is the radian—but it is mentioned in the SI Brochure, SI brochure as an Non-SI units mentioned in the SI, accepted unit. Because a full rotation equals 2 radians, one degree is equivalent to radians. History The original motivation for choosing the degree as a unit of rotations and angles is unknown. One theory states that it is related to the fact that 360 is approximately the number of days in a year. Ancient astronomers noticed that the sun, which follows through the ecliptic path over the course of the year, seems to advance in its path by approximately one degree each day. Some ancient calendars, such as the Iranian calendar, Persian calendar and the Babylonian calendar, used 360 days for a year. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Angular Mil
A milliradian ( SI-symbol mrad, sometimes also abbreviated mil) is an SI derived unit for angular measurement which is defined as a thousandth of a radian (0.001 radian). Milliradians are used in adjustment of firearm sights by adjusting the angle of the sight compared to the barrel (up, down, left, or right). Milliradians are also used for comparing shot groupings, or to compare the difficulty of hitting different sized shooting targets at different distances. When using a scope with both mrad adjustment and a reticle with mrad markings (called an "mrad/mrad scope"), the shooter can use the reticle as a ruler to count the number of mrads a shot was off-target, which directly translates to the sight adjustment needed to hit the target with a follow up shot. Optics with mrad markings in the reticle can also be used to make a range estimation of a known size target, or vice versa, to determine a target size if the distance is known, a practice called "milling". Milliradian ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
New Zealand
New Zealand ( mi, Aotearoa ) is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and over 700 smaller islands. It is the sixth-largest island country by area, covering . New Zealand is about east of Australia across the Tasman Sea and south of the islands of New Caledonia, Fiji, and Tonga. The country's varied topography and sharp mountain peaks, including the Southern Alps, owe much to tectonic uplift and volcanic eruptions. New Zealand's capital city is Wellington, and its most populous city is Auckland. The islands of New Zealand were the last large habitable land to be settled by humans. Between about 1280 and 1350, Polynesians began to settle in the islands and then developed a distinctive Māori culture. In 1642, the Dutch explorer Abel Tasman became the first European to sight and record New Zealand. In 1840, representatives of the United Kingdom and Māori chiefs ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Australia
Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, smaller islands. With an area of , Australia is the largest country by area in Oceania and the world's List of countries and dependencies by area, sixth-largest country. Australia is the oldest, flattest, and driest inhabited continent, with the least fertile soils. It is a Megadiverse countries, megadiverse country, and its size gives it a wide variety of landscapes and climates, with Deserts of Australia, deserts in the centre, tropical Forests of Australia, rainforests in the north-east, and List of mountains in Australia, mountain ranges in the south-east. The ancestors of Aboriginal Australians began arriving from south east Asia approximately Early human migrations#Nearby Oceania, 65,000 years ago, during the Last Glacial Period, last i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Denmark
) , song = ( en, "King Christian stood by the lofty mast") , song_type = National and royal anthem , image_map = EU-Denmark.svg , map_caption = , subdivision_type = Sovereign state , subdivision_name = Danish Realm, Kingdom of Denmark , established_title = History of Denmark#Middle ages, Consolidation , established_date = 8th century , established_title2 = Christianization , established_date2 = 965 , established_title3 = , established_date3 = 5 June 1849 , established_title4 = Faroese home rule , established_date4 = 24 March 1948 , established_title5 = European Economic Community, EEC 1973 enlargement of the European Communities, accession , established_date5 = 1 January 1973 , established_title6 = Greenlandic home rule , established_date6 = 1 May 1979 , official_languages = Danish language, Danish , languages_type = Regional languages , languages_sub = yes , languages = German language, GermanGerman is recognised as a protected minority language in t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United Kingdom
The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and Northern Ireland. The United Kingdom includes the island of Great Britain, the north-eastern part of the island of Ireland, and many smaller islands within the British Isles. Northern Ireland shares a land border with the Republic of Ireland; otherwise, the United Kingdom is surrounded by the Atlantic Ocean, the North Sea, the English Channel, the Celtic Sea and the Irish Sea. The total area of the United Kingdom is , with an estimated 2020 population of more than 67 million people. The United Kingdom has evolved from a series of annexations, unions and separations of constituent countries over several hundred years. The Treaty of Union between the Kingdom of England (which included Wales, annexed in 1542) and the Kingdom of Scotland in 170 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Adventure Racing
Adventure racing (also called expedition racing) is typically a multidisciplinary team sport involving navigation over an unmarked wilderness course with races extending anywhere from two hours up to two weeks in length. Some races offer solo competition as well. The principal disciplines in adventure racing include trekking, mountain biking, and paddling although races can incorporate a multitude of other disciplines including climbing, abseiling, horse riding, skiing and white water rafting. Teams generally vary in gender mix and in size from two to five competitors, however, the premier format is considered to be mixed gender teams of four racers. There is typically no suspension of the clock during races, irrespective of length; elapsed competition time runs concurrently with real time, and competitors must choose if or when to rest. Origin The roots of adventure racing are deep and people debate the origin of the modern adventure race. Some point to the two-day Karrimor I ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Silva Compass, Expedition 4
Silva is a surname in Portuguese-speaking countries, such as Portugal and Brazil. It is derived from the Latin word , meaning "forest" or "woodland". It is the family name of the House of Silva. The name is also widespread in Galician-speaking regions of Spain (mostly in Galicia) and even more so in regions of the former Portuguese Empire in the Americas (being the most common surname in Brazil), in Africa and Asia, notably in India and Sri Lanka. It is also quite common in Spanish-speaking Latin America. Movement of people has led to the name being used in many places. Due to emigration from Portuguese-speaking countries, Silva (and the variants Da Silva and De Silva) is the fifth most common surname in the French department of Val-de-Marne, outside Paris, and it was the 19th most common family name given to newborns between 1966 and 1990 in France. It is also the seventh most common surname (and the most common non-German, non-French) in Luxembourg. It is also among the top ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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