Fill large Bar glass with Shaved Ice.
⅓ Jigger Old Tom Gin.
1 pony Italian Vermouth.
1 pony French Vermouth.
3 dashes Acid Phosphate.
4 dashes Orange Bitters.
Shake; strain into Cocktail glass and serve.
Tags: bitters, dry vermouth, gin, Old Tom gin, orange bitters, phosphate, sweet vermouth
Acid Phosphate is no longer available. CocktailDB suggests substituting lemon juice.