TABLES OF WEIGHTS AND MEASURES 



Symbols and Abbreviations for Apothecaries' or Troy 

 Weights 



gr., Granum. A grain. 



9, Scrupulus. A scruple, equal to 20 grains. 

 5, Drachma. A drachm, equal to 60 grains. 

 5, Uncia. An ounce, equal to 480 grains. 

 Ib, Libra. A pound of 12 ounces of 480 grains each. 



Table of Troy or Apothecaries' Weights 



20 grs. =19. 

 60 grs. = 1 5 or 3 9. 

 8 3=13. 



12 5=1 ft. 



Symbols and Abbreviations for Apothecaries' or Wine 

 Measures 



gtt, Gutta. A drop. 



TTl, Minimum. A minim is the sixtieth part of a fluidrachm. 

 f5, Fluidrachma. A fluidrachm is the eighth part of a fluid 



ounce or 60 minims. 

 f3, Fluiduncia. A fluidounce, equal to 480 minims or sixteenth 



of a pint. 



O, Octarius. A pint of 16 fluidounces. 

 Cong., Congius. A gallon of 8 pints or 128 fluidounces. 

 ss, means half, as 3ss, \ drachm. 



Table of Wine or Apothecaries' Measures 



meo = f3j. 



f3 8 = f5J or 480 minims. 

 f516 = Oj. 



O2 = 1 quart or 532. 



O8 = 1 cong. gallon. 



1 teaspoonful = f5J- 



1 dessertspoonful = f3ij- 



1 tablespoonful = fSss or f5iv. 



Wineglass = f5J- 



Teacup = f5iv. 



