Café Royal Cocktail Book by W. J. Tarling (1937, p.44)

0.25 partlemon juice — fresh lemon juiceacid
0.5 partcuracao — blue curacaobase
0.25 partgin — Booth's ginbase
1 dashegg white — white of eggother
  1. Shake and strain.

Lineage reconciliation

See also: Lady