Jack's Manual by J. A. Grohusko (1910, p.61)

1 dashBenedictine base
0.5 portiondry gin base
0.5 portionItalian vermouth — Italian Vermouthmodifier
ice — Fill glass with ice.other
  1. Stir the Benedictine, Italian vermouth, dry gin, and ice.
  2. Strain and serve.

Ice: Ice

See also: Jack Zeller Cocktail, Hudson Cocktail