The Hoffman House Bartender's Guide by Charles S. Mahoney (1905, p.160)

1 small jiggergin — Gordon gin or any good double-stamp ginbase
0.67 glassice — shaved icebase
Orange peel — Squeeze on top; don't put peel in glass.garnish
4 dashescuracao — Curacoamodifier
1 small jiggerItalian vermouth — Italian Vermouthmodifier
2 dashesMaraschino — Maraschinomodifier
2 dashessyrup sweetener
  1. Stir the shaved ice, syrup, curacoa, maraschino, Italian Vermouth, and gin well.
  2. Strain into a cool cocktail glass, squeeze orange peel on top, and serve without dropping the peel into the glass.

Garnish: Expressed orange peel

Ice: Shaved ice

See also: Martini Cocktail, Southern Club Manhattan Cocktail

Source says not to put the orange peel in the glass and to place water with the cool cocktail glass before the customer.