Am.  J.  Ph.] 
[April,  J  884 
Powers  &-Weightman, 
Manufacturing  Chemists, 
PHILADELPHIA, 
AND 
56  Maiden  Lane, 
New  York. 
GOLD  MEDAL 
Awarded  Mat  12, 1875, 
"For  the  introduction  of  an  Industry  new  in  the  United  States,  and  perfection  of  result  in  the 
product  obtained  in  the  manufacture  of  Citric  Acid  and  for  the  ingenuity  and  skill  shown  in  the 
manufacture  and  for  perfection  of  workmanship  displayed  in  the  production  of  the  cheaper  ALKA- 
LOIDS of  CINCHONA  BARKS." 
Offer  the  Wholesale  Drug  Trade,  and  those  who  buy  in  similar  quantities,  an  assortment  of 
CHEMICALS, 
MEDICINAL,  PHOTOGRAPHIC,  AND  FOR  THE  ARTS, 
INCLUDING: 
Quinia  Sulphate 
Quinia  Acetate,  Bromide 
Cinchonidia  Sulphate 
Corrosive  Sublimate 
Potassium  Iodide,  Bromide 
Nitric  Acid  Alum 
Ether  Sulphuric 
Magnesia  Calcined  Heavy 
Bismuth  Subnitrate 
strychnia 
Morphia  Sulphate 
Morphia  Acetate,  Bromide 
Cinchonia  Sulphate 
Calomel 
Acid  Citric      Acid  Tartaric 
Silver  Nitrate 
Ammonia  Nitrate 
Epsom  Salt       Blue  Vitriol 
Chloroform     Oil  Vitriol 
Red  Precipitate 
SILVER  MEDAL. 
