Affinity — The Cocktail Ontologist

Variants (3)

Cocktail-Ology by Count Benvenito Martini (1916) — Cocktail-Ology, whiskey drinks section

1 piece	lemon peel	acid
0.33 part	Scotch	base
2 dash	bitters	bitter
0.33 part	dry vermouth — French vermouth	modifier
0.33 part	sweet vermouth — Italian vermouth	modifier

Garnish: Lemon peel

Ice: Ice

Swallows / Boothby's World Drinks and How to Prepare Them by Hon. Wm. T. Boothby (1930) — Boothby Swallows 1930, opening cocktail run

2.5 jigger	dry vermouth — French Vermouth	base
0.13 jigger	creme de violette	modifier
2.5 jigger	sweet vermouth — Italian Vermouth	modifier

The Artistry of Mixing Drinks by Frank Meier (1936, p.24)

1 dash	Angostura bitters — Angostura Bitters	base
0.5 part	Scotch whisky — Scotch Whisky	base
0.25 part	dry vermouth — French Vermouth	modifier
0.25 part	sweet vermouth — Italian Vermouth	modifier