El Bar Americano en España by Pedro Chicote (1927, p.88)

0.5 lemonjugo de medio limón base
1 tablespoonwhisky — Source omits the repeated unit and uses dash shorthand.base
ginger ale — ginger-aledilution
1 tablespoonazúcar en polvo — OCR drops the leading numeral, but the line matches the repeated cooler structure.sweetener
  1. Build in a large goblet with lemon juice, powdered sugar, and whisky.
  2. Fill with ginger ale and stir very well with a long refreshment spoon.