Café Royal Cocktail Book by W. J. Tarling (1937, p.158)
| 0.33 part | Canadian whisky — Canadian Club whisky | base |
| 0.33 part | Campari | modifier |
| 0.33 part | dry vermouth — French vermouth | modifier |
- Mix and strain into a cocktail glass.
Old Pal is Canadian Club whisky, French vermouth, and Campari.
Café Royal Cocktail Book by W. J. Tarling (1937, p.158)
| 0.33 part | Canadian whisky — Canadian Club whisky | base |
| 0.33 part | Campari | modifier |
| 0.33 part | dry vermouth — French vermouth | modifier |