56 Diseases of Poultry 



Pine tar 1 oz. 



Resin 1 oz. 



Clean axle grease 8 oz. 



]\Ielt the axle grease and resin and stir in the other ingredi- 

 ents. Pour off in a tin box or can to cool. In making this, 

 clean axle grease from a freshly opened can should be used. 



Tables of Apothecaries' Weights and Measures and their 

 Metric Equivalents 



apothecaries' weights 



Pound Ounces (Troy) Drams Scruples Gr.uns Grams 



1 = 12 = 9(3 = 288 = 5760 = 373.23 



1 = 8 = 24 = 480 = 31.10 



1 = 3 = 60 = 3.9 



1 = 20 = 1.30 



COMMON MEASURE 



A teacup is estimated to hold about 4 fluidounces, one gill. 

 A wineglass is estimated to hold about 2 fluidounces. 

 A tablespoon is estimated to hold about i fluidounce. 

 A teaspoon is estimated to hold about 1 fluidram. 



