Baltimore eggnog

1 oz brandy (1 pint)
      1 oz Rum (1/2 pint)
      1 oz Madeira (1/2 pint)
      1    Egg (12)
      1 ts Sugar (2 cups)
    3/4 c  Milk (3 pints) -OR-
      2 oz Heavy cream (3 pints)
           Nutmeg
 
     Shake with ice, and strain into a collins glass or a highball glass. If
  heavy cream is used, you may want to top the drink with milk.  Dust the
  surface with lots of nutmeg
  
     The recipe above is for one drink only, but the measurements in
  parentheses will make about 30 servings.