About Town Cocktail Book by Joe Fitchett (1925, p.24) — About Town 1925
| 3 dashes | Angostura bitters — Angostura Bitters | base |
| 60 percent | Scotch whisky — Scotch Whisky | base |
| 40 percent | Italian vermouth — Italian Vermouth | modifier |
- Mix with ice and squeeze lemon peel on top.
Garnish: Lemon peel
Ice: Ice
This matters because it preserves a compact Scotch aperitif branch in a social cocktail book.