Café Royal Cocktail Book by W. J. Tarling (1937, p.72)

1 dashAngostura bitters base
1 glassrum — Daiquiri rumbase
2 dashesorange bitters bitter
2 spoonswater dilution
1 lumpsugar sweetener
  1. Serve in an old-fashioned glass with fruit and mint.

See also: Old Fashioned