Cocktail-Ology by Count Benvenito Martini (1916) — Cocktail-Ology, gin drinks section
| 0.33 part | London dry gin — gin | base |
| 1 dash | bitters | bitter |
| 0.33 part | dry vermouth — French vermouth | modifier |
| 0.33 part | sweet vermouth — Italian vermouth | modifier |
| 1 teaspoon | white creme de menthe | modifier |
- Shake and strain into a cocktail glass.
Ice: Ice