Café Royal Cocktail Book by W. J. Tarling (1937, p.110)

1 piecelemon peel acid
genever — Hollandsbase
2 dashesPeychaud bitters — Peychaud or Angostura bittersbase
ice — shaved iceother
2 dashessyrup sweetener
  1. Stir and strain.

Ice: Shaved ice

See also: Gin