El Bar Americano en España by Pedro Chicote (1927, p.155)

ice — unos pedacitos de hielo picadobase
1 copitawhisky — 1 copita de whiskybase
sidra achampagnada — Used to fill the glass.dilution
  1. Build in a water goblet with crushed ice and whisky.
  2. Finish by filling the glass with sparkling cider and serve in the same glass.

Ice: Crushed ice