Café Royal Cocktail Book by W. J. Tarling (1937, p.232)
| 1 sherry glass | vermouth — French or Italian Vermouth | base |
| Soda water — Syphon Soda Water | dilution | |
| 1 large piece | ice — Ice | other |
- Pour into a tumbler, add one large piece of ice, and add syphon soda water to taste.
Ice: Ice