Café Royal Cocktail Book by W. J. Tarling (1937, p.75)

0.17 partlemon juice acid
0.33 partgin — Booth's ginbase
0.33 partrum — Daiquiri rumbase
0.17 partMaraschino liqueur — maraschinomodifier
1 dashcream other
2 dashesGrenadine sweetener
  1. Shake.

See also: Debut