Doppelmayr D-line
Doppelmayr or Doppelmayer may refer to: Aerial lift manufacturers *Doppelmayr Garaventa Group **Doppelmayr USA, a subsidiary of the above Astronomy *Johann Gabriel Doppelmayr (1677–1750), German mathematician, astronomer and cartographer * 12622 Doppelmayr, a main-belt asteroid *Doppelmayer (crater) Doppelmayer is the remains of a lunar impact crater that lies on the southwest edge of Mare Humorum. To the south-southeast is another flooded crater designated Lee, and to the southeast is Vitello. Just to the east-northeast of Doppelmayer lies ...

Doppelmayr Garaventa Group
Doppelmayr/Garaventa Group is an international manufacturer of Aerial lift, ropeways and people movers for ski areas, Public transport, urban transport, amusement parks, and material handling systems. As of 2023, the group had produced over 15,400 installations in 96 countries. Their annual revenue in 2022/2023 was 946 million euros. The Doppelmayr/Garaventa Group was formed in 2002 when Doppelmayr of Wolfurt, Austria merged with Garaventa AG of Switzerland to form the world's largest ropeway manufacturer. __TOC__ History Doppelmayr was founded in Wolfurt, Austria in 1893 (originally as Konrad Doppelmayr & Sohn), and started manufacturing ropeways in 1937. Garaventa was founded in 1928. In 1967, , grandson of the founder Konrad and son of Emil, who was a businessman, became managing director of the company. As Skiing, alpine recreation rapidly expanded around the world during the last half of the 20th century, Artur led and established the Vorarlberg cable car company as the ...
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Doppelmayr USA
Doppelmayr USA, Inc is an aerial lift manufacturer based in Salt Lake City, Utah, and a subsidiary of the worldwide Doppelmayr Garaventa Group. The United States company was formed in 2002 after the merger of Garaventa of Goldau, Switzerland, and Doppelmayr of Wolfurt, Austria. Between 2002 and 2010, the company was named Doppelmayr CTEC. From 2011 the company has operated using the Doppelmayr brand name, in common with most other Doppelmayr Garaventa Group subsidiaries. CTEC before merger CTEC, which stands for Cable Transportation Engineering Company, was the successor to Thiokol, a company which built 41 ski lifts between 1971 and 1977. By 1977, Thiokol had decided to stop producing ski lifts and sold their designs to two employees, Jan Leonard and Mark Ballantyne. CTEC's first lift produced as an independent manufacturer was at Seven Springs Mountain Resort, Pennsylvania, in 1978. Leonard oversaw engineering at the company's Salt Lake City facility while manufacturing was pe ...
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Johann Gabriel Doppelmayr
Johann Gabriel Doppelmayr (27 September 1677 – 1 December 1750) was a German mathematician, astronomer, and cartographer. (His surname is also spelled Doppelmayer and Doppelmair.) Professional life and publications He was born in Nuremberg, the son of the merchant Johann Siegmund Doppelmayr. He entered the Aegidien-Gymnasium in Nuremberg in 1689, then the University of Altdorf in 1696. His studies included mathematics, physics, and jurisprudence. Later he continued his studies in HalleRalf Kern. Wissenschaftliche Instrumente in ihrer Zeit. Vol. 3. Cologne, 2010. p. 243. and graduated in 1698 with a dissertation on the Sun. During studying at the University of Halle, he also learned French and Italian. After giving up his legal studies he then spent two years travelling and studying in Germany, Holland, and England, spending time at Utrecht, Leiden, Oxford, and London, during which time he learned to speak French, Italian, and English. He continued to study astronomy and learne ...
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12622 Doppelmayr
1 (one, unit, unity) is a number, numeral, and glyph. It is the first and smallest positive integer of the infinite sequence of natural numbers. This fundamental property has led to its unique uses in other fields, ranging from science to sports, where it commonly denotes the first, leading, or top thing in a group. 1 is the unit of counting or measurement, a determiner for singular nouns, and a gender-neutral pronoun. Historically, the representation of 1 evolved from ancient Sumerian and Babylonian symbols to the modern Arabic numeral. In mathematics, 1 is the multiplicative identity, meaning that any number multiplied by 1 equals the same number. 1 is by convention not considered a prime number. In digital technology, 1 represents the "on" state in binary code, the foundation of computing. Philosophically, 1 symbolizes the ultimate reality or source of existence in various traditions. In mathematics The number 1 is the first natural number after 0. Each natural number, ...
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