Jack's Manual by J. A. Grohusko (1910, p.58)

0.5 portionHolland gin base
3 dashesorange bitters base
1Olive garnish
0.5 portionFrench vermouth — French Vermouthmodifier
ice — broken iceother
  1. Stir the orange bitters, Holland gin, French vermouth, and broken ice.
  2. Strain, serve with an olive, and serve.

Garnish: Olive

Ice: Broken ice

See also: Gin Cocktail, Improved Martini Cocktail