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The Wadsworth Electric Manufacturing Company was formed by George B. and Harry Wadsworth in 1904. George received his first patent for an electrical service entrance safety switch in 1907. This device reduced the likelihood of accident or fire and enabled homeowners to replace their own fuses. He received an additional 15 patents in the field ...
Rooms containing oil-filled equipment may be required to have fire-resistant construction or active fire suppression equipment in the room and may be designated as an electrical vault. Since power distribution often requires large numbers of electrical cables, special measures for fire resistance of cables and cable trays may be also specified ...
The tip of the vaulting pole is angled higher than eye level until three paces from takeoff, when the pole tip descends efficiently, amplifying run speed as the pole is planted into the vault box. The faster the vaulter can run and the more efficient their take-off is, the greater the kinetic energy that can be achieved and used during the vault.
The Division II pole vault national champion knew from others’ horror stories that a dwindling number of airlines were still willing to carry poles and that they were too long and cumbersome to ...
Cornelius "Dutch" Warmerdam (June 22, 1915 – November 13, 2001) was an American pole vaulter who held the world record between 1940 and 1957. He missed the Olympics due to World War II, and retired from senior competitions in 1944, though he continued to vault into his sixties. [2]
Bragg grew up in Penns Grove, New Jersey, where he attended Penns Grove High School. [2]Bragg was the last of the great pole vaulters to use an aluminum pole. From 1954 until 1960, he was always world ranked and capped a championship career in 1960 by setting a world record of 15' 9 + 1 ⁄ 4" (4.80 m) at the Olympic Trials and winning an Olympic gold medal with a vault of 15' 5" (4.70 m).
Pat Manson (born November 29, 1967, in West Point, New York) is a retired American pole vaulter, best known for winning three gold medals at the Pan American Games in 1991, 1995 and 1999. He also finished sixth at the 1997 World Championships in Athletics in Athens. His personal best was 5.85 meters (19 ft 2 in), achieved in September 1994 in ...
Thierry Vigneron (born 9 March 1960 in Gennevilliers, Hauts-de-Seine) is a retired French pole vaulter.In the 1980s, he was among the world's leading pole vaulters. He broke the world record in the event four times and was the last man to hold the world record (for only a few minutes in August 1984) before Sergey Bubka, who would hold on to it almost 30 years until February 2014.