Cocktails Bar La Florida by Constante Ribalaigua Vert (1934, p.145)

2 ouncesgin — Gordon ginbase
0.33 partgrapefruit juice base
1 teaspoonMaraschino liqueur — maraschinomodifier
0.5 whiteegg white other
1 teaspoonGrenadine sweetener
  1. Shake well and strain into a cocktail glass.

Ice: Cracked ice