Shake vigorously with ice to build a nice head of foam. Strain into an ice filled Collins glass. Garnish with a maraschino cherry and a chunk of pineapple.
Originally served without garnish. An orange twist is also optional.
Can be strained into a highball and topped with soda. Lemon Juice can be substituted for lime, and any aromatic bitters for Angostura.
A Variant of the gin sling. My research suggests that this is as likely as any to be the original, authentic recipe, and more likely than most. Embury avows he's never seen two recipes alike for this drink. 1915 is one of several years in which this might have been created, between 1912 and 1921, but seems likely.
Wikipedia, food.com, Anvil100