APOTHECARIES FLUID MEASURE. 



SCALE OF COMPARISON. 

 fi> I 3 3 gr. 



159 



= 8 = 24= 480 



1= 3 = 60 



1= 20 



APOTHECARIES' FLUID MEASURE. 



Apothecaries' fluid measure is used for measuring liquids 

 in preparing medical prescriptions. 



TABLE. 



1 fluid drachm, marked f 3 , 

 1. fluid ounce, f 1 . 



1 pint, " O. 



1 gallon (wine meas.) " Cong. 



NOTE. 1. The pound, ounce, and grain are the same as 

 in troy weight, the ounce being differently subdivided. 



2. The symbols are supposed to be derived from the in- 

 scriptions upon the ancient monuments of Egypt. 



3. One minim equals one drop. 



60 minims 



8 fluid drachms 

 16 fluid ounces 



8 pints 



