FOUR (iRAUES OF MILK AS INDICATED 

 BY THE MILK SEDIMENT TEST. ONE 

 PINT OE Jin>K WAS 1'OUKEDT11UOU(.;H 

 EACH OF THESE DISCS OF AliSOR]!KNT 

 C(ITT(JX WHICH WERE I'EltFECTLY 

 WHITE AT FIRST. THEY SHOW FOUR 

 GRADES OF MILK AS FOLLOWS: UP- 

 I'ER LEFT, PEUFECri. Y CLEAN, UPl'ER 

 RIOHT, SLJOHTLY DJllTY, LOWER 

 LLFT, DIRTY, LOWER EIGHT, lEUY 

 Dili T Y 



IT IS IMPOSSIRLE TCI MAKE 

 G(.IOD MILK WITH CHEAP 

 LABOR AND CHE.\P METH- 

 ODS. IT IS niPOSSIBLE TO 

 J\LVKE BACTERIOLOGISTS OF 

 SUCH MEN 



Einiln<-H (..f U. V. li..ol i ^oat 



ONE OF THE 

 THINGS THAT 

 JIAY HAPPEN 

 TO MILK DUR- 

 ING THE EARLY 

 HOURS OF THE 

 :\rORNING. IN- 

 SIST IM'ON THE 

 IiRI\"El: RIXi;- 

 IN(t THE DOOR- 

 BELL ; PLACE 

 THE JIILK BOT- 

 TLE IN THE RE- 

 FRIGERATORAT 

 ONCE 



