The Old Waldorf-Astoria Bar Book by Albert Stevens Crockett (1935, p.63)

1 teaspoonPeychaud bitters base
seltzer — Serve in claret glass with seltzer.dilution
1 jiggerOjen — Ojenmodifier
  1. Build and serve with seltzer.

Famous New Orleans Drinks and How to Mix 'Em by Stanley Clisby Arthur (1938, p.40)

1 jiggerOjen — Ojenbase
1 ozCarbonated water — Carbonated waterdilution
1 glasscrushed ice — Crushed iceother
  1. Fill a bar glass with crushed ice and add the ojen.
  2. Jiggle with a barspoon, add the carbonated water, jiggle again, strain into a thoroughly chilled cocktail glass, and serve.

Ice: Crushed ice

See also: Sazerac