Café Royal Cocktail Book by W. J. Tarling (1937, p.141)
| 0.67 part | Calvados | base |
| 0.33 part | sweet vermouth — Martini sweet vermouth | base |
- Mix.
Marconi is sweet Martini vermouth and calvados.
Café Royal Cocktail Book by W. J. Tarling (1937, p.141)
| 0.67 part | Calvados | base |
| 0.33 part | sweet vermouth — Martini sweet vermouth | base |