Daly's Bartenders' Encyclopedia by Tim Daly (1903, p.67)

6 dasheslemon juice — Source says six or seven dashes.acid
1 dashJamaica rum base
1 large teaspoonfulsugar base
water — Fill the balance with water.dilution
ice — Fill up the glass with ice.other
  1. Shake the sugar, lemon juice, ice, and water well in a shaker.
  2. Dash with Jamaica rum and serve with straws.

Ice: Ice

The explicit association naming makes this a useful club or association-branded lemonade checkpoint.

The drink sits at the border of lemonade and light rum cooler service.

See also: Apollinaris Lemonade, Sunny Side Lemonade