The Old Waldorf-Astoria Bar Book by Albert Stevens Crockett (1935, p.107)

0.67 partgin — Plymouth ginbase
1 dashorange bitters base
1 dashAmer Picon — Amer Picon bittersmodifier
0.33 partsweet vermouth — Italian vermouthmodifier
  1. Stir and serve cold.

Named for the turn of the century.