The Artistry of Mixing Drinks by Frank Meier (1936, p.71)

1 teaspoonlemon juice — Lemon juiceacid
0.5 glassice — Cracked icebase
1 dashAngostura bitters — Angostura Bittersbitter
1 sliceOrange — Orange slicegarnish
champagne — Fillother
1 teaspoonSugar syrup — Sugar syrupsweetener
  1. Build over cracked ice, fill with Champagne, stir, add an orange slice, and serve.

Garnish: Orange slice

Ice: Ice