El Bar Americano en España by Pedro Chicote (1927, p.144)

4 pieceice — 4 pedacitos de hielobase
agua natural filtrada — Used to fill the glass.dilution
2 liqueur-glassjerez — 2 copas de las de licor de jerezmodifier
1 tablespoonazúcar — 1 cucharada de azúcarsweetener
  1. Build in a whisky glass with ice, sugar, and sherry.
  2. Finish by filling the glass with cold filtered water.

Ice: Ice

Chicote marks this one as cold.