Wyoming Swing

Shake with ice and strain
The juice of ¼ orange. (¾ oz, 2 cl)
Shake and strain into medium size glass, and fill with soda water.
½ teaspoonful Powdered sugar. (2 dashes)
½ French vermouth. (1½ oz, 4.5 cl)
½ Martini sweet vermouth. (1½ oz, 4.5 cl)
Serve in a cocktail glass (4.5 oz)

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