The word "Boilermaker" dates back to the early 20th century when it was used to describe either a handsome, virile ladies' man or any species of potent, alcoholic liquor. The term has since been commonly associated with a bartender's concoction created by dropping a shot glass filled with whiskey into a mug of beer. (A particularly devilish variation upon this recipe is the Irish Car Bomb: a mingled shot of Bailey's and Bushmill's tossed into a pint of Guinness). While the possibility exists that it also gathered inspiration from coal furnaces and steam locomotives, the Boiler...