Café Royal Cocktail Book by W. J. Tarling (1937, p.140)

0.5 partrye whisky — rye or bourbon whiskybase
0.5 partsweet vermouth — Martini sweet vermouthbase
  1. Stir and strain into a cocktail glass.

Garnish: Maraschino cherry.

See also: Manhattan, Dry, Manhattan, Medium

A dash of Angostura may be added if desired.