Café Royal Cocktail Book by W. J. Tarling (1937, p.160)

0.33 partgin base
1 dashorange juice base
0.33 partdry vermouth — French vermouthmodifier
0.33 partsweet vermouth — Martini sweet vermouthmodifier
  1. Shake and strain into a port wine glass.

Garnish: Squeeze lemon peel on top; frost edge of glass with castor sugar.