American and Other Drinks by Leo Engel (1878, p.93)

1 wholeegg — new-laidbase
Soda water — sodadilution
0.5 pintice — shaved iceother
pineapple syrup — pine-apple syrupsweetener
  1. Break in the egg, add pineapple syrup and shaved ice, fill with soda, and imbibe through straws.

Ice: Shaved ice

See also: Egg Nogg, Cider Nogg

Source notes that a small quantity of brandy is an optional improvement.