Jack's Manual by J. A. Grohusko (1910, p.47)

1 ponycognac base
1 slicelemon slice — Place on top of glass.garnish
0.5 cupsugar — Place on top and serve.sweetener
  1. Pour the Cognac into a glass and place a slice of lemon on top.
  2. Put the sugar on top and serve.

Garnish: Lemon slice

See also: Pony Brandy, Brandy Toddy