Cocktails Bar La Florida by Constante Ribalaigua Vert (1934, p.147)

0.5 juicelemon juice — from half a lemonacid
2 ouncesrum — Bacardi rumbase
0.5 whiteegg white other
1 teaspoonsugar sweetener
  1. Shake with cracked ice and strain into a cocktail glass.

Ice: Cracked ice