Cocktail Boothby's American Bar-Tender by Wm. T. Boothby (1891, p.36)

1 jiggerAmer Picon — amer piconbase
seltzer — syphon seltzerdilution
1 ponyOrgeat — orgeat or gum syrupother
  1. Place a piece of ice, the Amer Picon, and the syrup in a medium-size cut glass.
  2. Fill with syphon seltzer and serve.

Ice: Cube ice

This is a useful checkpoint for the low-proof bitter aperitif field as it enters more ordinary charged-glass service.

The drink is built directly in the glass, emphasizing refreshment over cocktail-style concentration.

Louis' Mixed Drinks with Hints for the Care & Serving of Wines by Louis Muckensturm (1906, p.105)

0.5 liqueur-glasscuracao — Curacao or Grenadinebase
Soda water — Sodadilution
0.5 bar-glassAmer Picon modifier
ice — Iceother
  1. Serve in a high-ball glass with ice, top with soda, and serve.

Ice: Ice

See also: Vermouth Cocktail, Archbishop

Boothby allows either orgeat or gum syrup.