Louis' Mixed Drinks with Hints for the Care & Serving of Wines by Louis Muckensturm (1906, p.57)

2 dashesAngostura bitters base
sparkling wine — American champagneother
1 teaspoonfulpowdered sugar — Powdered sugarsweetener
  1. Put the bitters in a lemonade-glass, fill two-thirds with American champagne, add powdered sugar so it fizzes, and drink while fizzing.