The Artistry of Mixing Drinks by Frank Meier (1936, p.38)

0.5 partgin — Ginbase
1 dashorange bitters — Orange Bittersbase
0.5 partAperitif Rossi modifier
  1. Stir well and serve.

Café Royal Cocktail Book by W. J. Tarling (1937, p.181)

0.33 partgin — Ginbase
0.33 partRossi Aperatif base
10 dashescuracao — Curaçaomodifier
0.33 partsweet vermouth — Martini Sweet Vermouthmodifier
  1. Mix.

Garnish: Piece of lemon peel.

The Rossi Aperitif is a product of Martini-Rossi, Turin, Italy.