Café Royal Cocktail Book by W. J. Tarling (1937, p.89)
| 0.11 part | lemon juice | acid |
| 0.33 part | gin — Booth's dry gin | base |
| 0.11 part | curacao — blue curaçao | modifier |
| 0.33 part | dry vermouth — Noilly Prat | modifier |
| 0.11 part | Gomme syrup — gomme | sweetener |
- Shake.