1 1/2 oz Brandy
1 oz Red Sweet Vermouth
1 dash Angostura Bitters
1 dash Orange Bitters
1 oz Soda
Orange Slice (garnish optional).

Jigger, Mixing-glass, Strainer, Stirrer (long Spoon), Martini Glass.

Place the Brandy, Vermouth, and Bitters in a Mixing Glass half-filled with ice. Stir briskly until well chilled (20 to 30 seconds).
Strain into a Martini Glass, preferably one that has been chilled. Add about an ounce of Soda. Garnish (if desired) and serve.