Brown ale include sweet, low alcohol beers such as Manns Original Brown Ale, medium strength amber beers of moderate bitterness such as Newcastle Brown Ale, and malty but hoppy beers such as Sierra Nevada Brown Ale. In the 18th century, British brown ales were brewed to a variety of strengths, with original gravities (OG) ranging from around 1.060 to 1.090. Around 1800, brewers stopped producing these types of beers as they moved away from using brown malt as a base. Pale malt, being cheaper because of its higher yield, was used as a base for all beers, including Porter and Stout. The
Old ale the birth of a child, and intended to be drunk on the child's twenty-first birthday. Some old ales blended older vintages with fresh beer in vats, on the solera system. The legendary Burton Ale brewed by the Ballantine brewery (Newark, New Jersey) was such a beer, and kept in production as a gift item for distributors and VIPs up until the closing of the brewery in 1972. The only surviving representatives are Greene King 5X and The Bruery's anniversary ales. Sour old ales fermented with "Brettanomyces" yeast were popular in 19th century Britain. The style is now associated more with