TABLE of APOTHECARIES WEIGHTS

10 grains = fs = Half Scruple        
20 grains = j   = One Scruple        
30 grains = iss = One & Half Scruple        = ss  = Half Drachm    
40 grains = ij  = Two Scruples=        
60 grains =     j     = One Drachm    
120 grains=     ij    = Two Drachms    
240 grains=     iv   = Four Drachms = ss =  Half Ounce
480 grains=     viij = Eight Drachms= j    = One Ounce