Gaston Cocktail

Ingredients:
5 fluid ounces or 15 centilitres of Gin
2 fluid ounces or 6 centilitres of Rose's Lime Juice
3 fluid ounces or 9 centilitres of Lemon Juice
7-Up
2 fluid ounces or 6 centilitres of Rose's Lime Juice
3 fluid ounces or 9 centilitres of Lemon Juice
7-Up
Instructions:
Pour into a highball glass and fill with 7-Up.
