Café Royal Cocktail Book by W. J. Tarling (1937, p.135)
| 1 dash | lemon juice | acid |
| 0.4 part | Cointreau | base |
| 0.2 part | gin — Booth's dry gin | base |
| 0.2 part | Drambuie | modifier |
| 0.2 part | dry vermouth — dry vermouth Martini | modifier |
- Shake.
Invented by H. G. Yarrow.