Johnny Weismuller Cocktail

from Hollywood's Favorite Cocktail Book

• \frac{3}{10} Part of Dry Gin
• \frac{3}{10} Part of Bacardi Rum
• \frac{3}{10} Part of Lemon Juice
• 1 Dash of Powdered Sugar
• 1 Dash of Grenadine

Shake well and strain into cocktail glass.