Café Royal Cocktail Book by W. J. Tarling (1937, p.231)

1 slicelemon — Lemonacid
2 measurerum — Jamaica Rumbase
ginger ale — Ginger Aledilution
1 measureRose's lime juice — Rose's Lime Juicedilution
1 sliceOrange — Orangegarnish
  1. Fill up with ginger ale.