Harry of Ciro's ABC of Mixing Cocktails by Harry of Ciro's (1923, p.78) — Swalter
- Shake well and strain.
This matters because it preserves another compact mixed-base sour branch under a club nickname in the late London seam.
Barflies and Cocktails by Harry McElhone and Wynn (1927, p.73) — The Swatter Cocktail
| 1 teaspoonful | lemon juice — Lemon Juice | acid |
| 0.33 part | brandy | base |
| 1 teaspoonful | Grenadine | base |
| 0.33 part | rum — Source OCR compresses the last ratio line; preserved conservatively as the paired spirit half. | base |
| 1 teaspoonful | curacao | modifier |
- Shake well and strain.
This matters because it preserves another named small dual-spirit sour from the interwar hotel-bar field.
The final ratio line is slightly OCR-compressed, so the split spirit structure is preserved conservatively.