7 Up up with the formula for a lemon-lime soft drink in 1929. The product, originally named "Bib-Label Lithiated Lemon-Lime Soda", was launched two weeks before the Wall Street Crash of 1929. It contained lithium citrate, a mood-stabilizing drug, until 1948. It was one of a number of patent medicine products popular in the late-19th and early-20th centuries. Its name was later shortened to "7 Up Lithiated Lemon Soda" before being further shortened to just "7 Up" by 1936. A myth exists that the 7 Up name comes from the drink having a pH over 7. That would make it neutral or
Combination gun of the combination gun during their duties. The earliest combination guns were called "swivel guns" (not to be confused with the more widely known small cannon), which used a set of barrels designed to rotate to allow either the rifled or smoothbore barrel to line up with a flintlock mechanism. Modern combination guns tend to resemble double-barreled shotguns and double rifles, and are almost universally break open designs. Combination guns generally have a selector that allows the user to choose which barrel will fire. Drillings with two shotgun barrels and one rifle barrel may have two triggers, one for each