Projection welding has fewer variables that affect the resistance welding process as compared to spot welding. The most important variables of this assembly technique are the quality of the projections and the response of the cylinder as the projection collapses during the welding time. Lawrence Alexander & Co.
The Pit, formally named WisePies Arena (aka The Pit) , is an arena in Albuquerque, New Mexico serving primarily as the home venue of the University of New Mexico Lobo basketball teams.he facility opened in 1966 as University Arena, but soon gained the nickname The Pit due to its innovative subterranean design, with the playing floor 37 feet below street level.
1916 Electric refrigerators were first offered for sale, for $900.1916 William Rosenberg founder of Dunkin' Donuts was born (died 2002).1916 Clarence Saunders founded Piggly Wiggly grocery store chain in Memphis, Tennessee.The first true self service grocery store.917 Clarence Saunders, founder of Piggly Wiggly grocery store chain in Memphis (the first true self-service grocery store), received U.S. Patent #1,242,872 for a 'Self Serving Store'. 1917 William H. Fruen died (born 1845). Patented the first U.S. patent for a liquid dispensing vending machine.