Brown ale term "brown ale" was revived at the end of the 19th century when London brewer Mann introduced a beer with that name. However, the style only became widely brewed in the 1920s. The brown ales of this period were considerably stronger than most modern English versions. In 1926, Manns Brown Ale had an original gravity of 1.043 and an ABV of around 4%. Whitbread Double Brown was even stronger, an OG of 1.054 and more than 5% ABV. The introduction of these beers coincided with a big increase in demand for bottled beer in the UK. In the 1930s some
Burton Ale and "needed cellaring for months before serving, and ... it almost certainly had some degree of secondary fermentation going on during that time – sour beers aren’t a new or strictly continental-European thing". At least in London the terms Burton Ale and old ale were interchangeable, but compared to other old ales and barley wines Burton Ale is distinctively dark, sweet and fruity. Old Burton is a strong version of Burton Ale. Allsopp’s Arctic Ale was originally 11.24% ABV. Old Burton was referenced in The Wind in the Willows: "The Rat, meanwhile, was busy examining the label on one of