Screwdriver (cocktail) and orange juice and supposedly invented by interned American fliers"; and in 1949: "the latest Yankee concoction of vodka and orange juice, called a 'screwdriver'". A screwdriver with two parts of Sloe gin, and filled with orange juice is a "Slow (Sloe) Screw". A screwdriver with two parts of Sloe gin, one part of Southern Comfort and filled with orange juice is a "Slow Comfortable Screw". A screwdriver with one part of Sloe gin, one part of Southern Comfort, one part Galliano and filled with orange juice is a "Slow Comfortable Screw Up Against The Wall". A screwdriver with one
Orange juice increases the soluble solid portion of the juice from 12 °Brix to 60-70 °Brix. The concentrated juice is held in a cold wall tank and is stored at or below 35 °F to prevent browning and development of undesired flavors. Next, a small amount of fresh juice is added to the concentrated juice to restore natural and fresh flavors of orange juice that have been lost through the concentration process. Specific cold-pressed orange oils are used to restore the lost aroma and volatile flavors. After the addition of fresh juice, the brix content is reduced to 42 °F. The fresh