hamburg edging

from The Collaborative International Dictionary of English v.0.48

Hamburg \Ham"burg\ (-b[^u]rg), n.
   A commercial city of Germany, near the mouth of the Elbe.
   [1913 Webster]

   {Black Hamburg grape}. See under {Black}.

   {Hamburg edging}, a kind of embroidered work done by
      machinery on cambric or muslin; -- used for trimming.

   {Hamburg lake}, a purplish crimson pigment resembling
      cochineal.
      [1913 Webster]