Mixed Drinks by Herbert W. Green (1895, p.64)

0.5 lemonlemon juice — juice one-half lemonacid
2 dashJamaica rum base
1 large spoonfulsugar base
1 jiggerWhiskey — whiskybase
  1. Fill a mixing glass two-thirds full of fine ice and add the ingredients.
  2. Shake well, strain into a star champagne glass, and add fruits of the season.

Garnish: Fruits of the season.

Ice: Fine ice

This is a useful named whiskey-sour branch because Green keeps the rum accent explicit rather than implied.

The structure stays fully within the compact shaken sour pattern.

See also: Whiskey Sour, Brandy Sour