El Bar Americano en España by Pedro Chicote (1927, p.110)

1 tablespoonazúcar en polvo — OCR reads 'r' for 1.base
1 liqueur-glasscoñac o ron — OCR reads 'r' for 1.base
agua hirviendo — Used as the remainder of the drink.dilution
1 slicerodaja de limón con clavos — rodaja de limón incrustada de 3 ó 4 clavosgarnish
  1. Build in a large glass with sugar, cognac or rum, and the clove-studded lemon slice.
  2. Fill the rest with boiling water and serve in the same glass with a coffee spoon.