Café Royal Cocktail Book by W. J. Tarling (1937, p.219)

0.25 orangeorange juice — Orange Juicebase
Soda water — Soda Waterdilution
0.5 partdry vermouth — French Vermouthmodifier
0.5 partsweet vermouth — Martini Sweet Vermouthmodifier
0.5 teaspoonsugar — Powdered Sugarsweetener
  1. Shake and strain into medium size glass, and fill with soda water.