xviii MILK AND THE PUBLIC HEALTH 



PAGE 



27. Lawrence's Refrigerator . . . . .288 



28. Cylindrical Refrigerator . . . .288 



29. Whole Churn . . . .292 



30. Section of a satisfactory Churn . . . . 292 



31. Steam Turbine Brush Machine . . .295 



32. Sterilised Milk Bottle . . ,296 



33. Milk Bottle for ordinary milk delivery . .' 296 



34. Bottle Cap "... .296 



35. " Retainer " type of Pasteuriser . . .379 



