Louis' Mixed Drinks with Hints for the Care & Serving of Wines by Louis Muckensturm (1906, p.102)

0.5 bar-glassrum — Rumbase
0.5 teaspoonfulsugar — Sugarbase
1 glassmilk — Rich milkdilution
1 tablespoonfulsalt water — Salt-waterdilution
1 unitegg — Raw eggother
  1. Fill the mixing-glass with ice, shake well, strain into a high-ball glass, add a tablespoonful of salt-water, and serve.

Ice: Ice