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apothecary weights that are no longer used
Out dated or obsolete units of mass, formerly used in pharmacies:
  • Twenty grains equal one scruple.
  • Three scruples equal one dram.
  • Eight drams equal an apothecary's ounce; oz apoth.
  • Twelve such ounces equal an apothecary's pound; lb apoth.
  • There are 7,000 grains in one pound avoirdupois or 0.454 kilograms.

This entry is located in the following unit: Measurements and Mathematics Terms (page 2)