El Bar Americano en España by Pedro Chicote (1927, p.70)

ice — 3 ó 4 pedacitos de hielobase
0.5 copitaVodka — Source omits the repeated unit and uses dash shorthand.base
0.33 copitakumel modifier
1 small spooncrema de chantilly — Captured from preparation sentence.other
  1. Añádase una cucharada pequeña de crema de chantilly.
  2. Sírvase muy frío en copa de cocktail.

Ice: Ice

Cocktails by Pedro Chicote (1928, p.214) — Whipped cream finish

0.5 copitakummel base
0.5 copitaVodka base
1 small spoonwhipped cream — Crema de chantillydilution
  1. Build and serve very cold in a cocktail glass.

Ice: 3 to 4 pieces ice

This matters because it preserves an early vodka checkpoint in Chicote's interwar cocktail layer.

See also: Rossinton Cocktail, Perla Cocktail