Café Royal Cocktail Book by W. J. Tarling (1937, p.197)

0.25 partgin — Booth's Dry Ginbase
0.25 partpassion fruit juice — Passion Fruit Naturaldilution
0.25 partdry vermouth — Dry Martini Vermouthmodifier
0.25 partvan der hum — Van der Hum, Bertram'smodifier
1 dashegg white — White of Eggother
  1. Shake.

Invented by G. W. Hollingworth.