From the Trade Winds restaurant, Watermill, Long Island, circa 1959.

Ingredients

• 1.5
  oz
  of Lemon juice
• 0.75
  oz
  of Orange Curaçao liqueur
• 0.5
  oz
  of White caster sugar
• 1
  piece(s)
  of Egg
  (white)
• 1.25
  oz
  of London Dry Gin

Steps

• Dissolve sugar in lemon juice, then shake everything with plenty of ice cubes.
• Strain into chilled cocktail glass.