Louis' Mixed Drinks with Hints for the Care & Serving of Wines by Louis Muckensturm (1906, p.48)

0.5 cocktail-glassdry gin — Dry ginbase
2 dashesorange bitters — Orange bittersbitter
0.5 cocktail-glasssweet vermouth — Italian vermouthmodifier
  1. Fill the mixing glass with ice, shake well, strain into a bar-glass, and serve.

Ice: Ice

Cocktails (Metropolitan Club Washington DC) by Metropolitan Club, Washington, D.C. (1920) — Metropolitan Club standard cocktail

0.67 partLondon dry gin — Bols Ginbase
0.33 partsweet vermouth — Italian Vermouthbase
  1. Stir well.

Ice: Ice