Café Royal Cocktail Book by W. J. Tarling (1937, p.230)
| 1 lemon | lemon juice — Lemon Juice | acid |
| 1 unit | egg — Whole Egg | base |
| 1 liqueur glass | gin — Gin | base |
| Soda water — Soda Water | dilution | |
| 0.33 liqueur glass | curacao — Curaçao | modifier |
| 0.33 liqueur glass | Grenadine — Grenadine | sweetener |
| 1 teaspoon | sugar — Sugar | sweetener |
- Shake, serve in a large tumbler, and fill up with soda water.
Invented by H. Seifert.