Café Royal Cocktail Book by W. J. Tarling (1937, p.231)

1 lemonlemon juice — Lemon Juiceacid
2 measureCalvados base
Soda water — Syphon Sodadilution
3 teaspoonGrenadine — Grenadinesweetener
  1. Shake and strain into a tumbler, then fill with syphon soda.

Lineage reconciliation