El Bar Americano en España by Pedro Chicote (1927, p.89)

0.5 copitadry gin base
0.5 lemonjugo de medio limón base
soda — Used to fill the drink.dilution
1 tablespooncrema de cassis — Source omits the repeated unit and uses dash shorthand.modifier
1 tablespoonazúcar sweetener
  1. Build in a large goblet with lemon juice, sugar, cassis, and dry gin.
  2. Stir very well and finish with soda.

Cocktails by Pedro Chicote (1928, p.248) — Cassis and gin

0.5 lemonlemon juice — Jugo de medio limonacid
0.5 copitadry gin base
0.5 tablespoonsugar — Azucarbase
Soda water — Sodadilution
1creme de cassis — Crema de cassismodifier
  1. Shake very well and top with soda in a large glass.

Ice: Shaken with ice

This matters because it preserves a cassis-led gin cooler branch in Chicote's late long-drink field.

The cassis unit is damaged in OCR, but the ingredient identity and overall structure are clear enough to preserve conservatively.

See also: Bronzink Cooler, Bulldog Cooler