Café Royal Cocktail Book by W. J. Tarling (1937, p.215)

1 teaspoonfullemon juice — Lemon Juiceacid
1 glassgin — Ginbase
1 teaspoonfulsugar — Sugarbase
4 dashesAngostura bitters — Angosturabitter
1 lumpice — Iceother
  1. Stir and serve in same glass.

Ice: 1 lump ice