The Cocktail Book a Sideboard Manual for Gentlemen (1901, p.47)

1 ponyAbsinthe base
Soda water — siphondilution
ice — fine iceother
  1. Fill a mixing glass with fine ice and add the absinthe.
  2. Shake well, strain into a star champagne glass, and fill with siphon.

Ice: Fine ice

This shows absinthe crossing into the soda-lengthened late-century long-drink field rather than staying only in ritual water service.

The charge is added after the strain, preserving the chilled absinthe base.

See also: Absinthe Frappe, Yale Cocktail