The Old Waldorf-Astoria Bar Book by Albert Stevens Crockett (1935, p.96)

0.5 limelime juice base
0.33 jiggerrum — St. Croix rumbase
0.67 jiggerWhiskey base
seltzer — fill with seltzerdilution
0.25 spoonsugar sweetener
  1. Shake, strain, and fill with seltzer.

Ice: Ice

See also: Santiago