Harry of Ciro's ABC of Mixing Cocktails by Harry of Ciro's (1923, p.69) — Harry of Ciro's 1923

1 teaspoonfullime juice — Lime Juice (Rose's)acid
1 dashAngostura bitters — Angostura Bittersbase
0.75 glassgin base
1 dashorange bitters — Orange Bittersbitter
0.5 glassOrange curacao — Curacao (Orange)modifier
  1. Shake well and strain into cocktail glass.

This matters because it gives us a clear London 1923 Pegu Club checkpoint in the interwar gin-citrus field.

The Rose's lime and paired bitters are the key source-specific details here.

Barflies and Cocktails by Harry McElhone and Wynn (1927, p.61) — Barflies 1927

1 teaspoonfullime juice — Lime Juice (Rose's)acid
1 dashAngostura bitters — Angostura Bittersbase
0.67 partgin base
1 dashorange bitters — Orange Bittersbitter
0.17 partOrange curacao — Curacao (Orange)modifier
  1. Shake well and strain into a cocktail glass.

This matters because it preserves a clean late McElhone control point for the Pegu Club line.

Related recipes

See also: White Lady, Paradise Cocktail