Café Royal Cocktail Book by W. J. Tarling (1937, p.104)

0.33 partgin — Seager's ginbase
0.33 partVodka — Latvian rye vodkabase
0.17 partgrapefruit juice — fresh grapefruit juicegarnish
0.17 partCointreau other
  1. Shake.

Lineage reconciliation

See also: Park