The Hoffman House Bartender's Guide by Charles S. Mahoney (1905, p.218)

1 barspoonpowdered sugar base
1 drinkWhiskey base
seltzer — Fill glass with seltzer.dilution
1 spoonfulcream other
1 egg yolkegg yolk other
orange-flower water — Dash after straining.other
  1. Shake the sugar, yolk, cream, and whiskey well.
  2. Strain into a fizz glass, add a dash of orange-flower water, fill with seltzer, and serve.

See also: Elk's Fizz, Tom and Jerry