Recipes for Mixed Drinks by Hugo R. Ensslin (1917, p.30) — Ensslin 1917

0.25 juiceLemon juice (fresh) — Juice of 1/4 Lemonacid
1 whiteegg white — White of 1 Eggbase
1 jiggergin base
2 dashesorange bitters — Orange Bittersbitter
2 dashessyrup sweetener
  1. Shake well in a mixing glass with cracked ice.
  2. Strain and serve.

Ice: Cracked ice

This matters because it preserves another egg-white gin branch that overlaps the sour and fizz worlds without belonging fully to either.

Orange bitters are structurally important here; they keep the drink tied to aromatic cocktail logic despite the egg and lemon.

See also: Royal Cocktail, Silver Fizz