The Buffet Blue Book by John H. Considine (1912, p.49)

1 wine glassAbbott's sherbet mixture — Made by adding Abbott's Bitters to lemon juice.base
Carbonated water — Fill up.dilution
  1. Put a wine glass of the Abbott's sherbet mixture into a thin glass.
  2. Fill up with carbonated water and serve.

Ice: None

See also: Phosphate D'Abbott, Seltzer Lemonade

Source says the base sherbet is made by adding a wine glass of Abbott's Bitters to each pint of lemon juice.