LIST OF ILLUSTRATIONS 



FIGURE PAGE 



1. An operator who is clean and does his work in an 



orderly manner ..... .28 



2. An operator whose suit is greasy and who is a shiftless 



worker ......... 29 



3. A well-arranged and neatly kept oreamery ... 30 



4. Floor plan of creamery shown in Pig. 3 . .31 



5. A poorly arranged and constructed creamery . . 32 



6. A plain neat creamery, with attractive grounds . . 33 



7. High-grade milk is produced in this barn by means of 



carefulness . . . ... 36 



8. Interior view of the barn shown in Fig. 7 . . .38 



9. An old barn with cracks filled with straw is not a sani- 



tary place in which to milk ... 39 



10. Showing the decrease in bacteria-content of the milk 



caused by wiping the cow's udder with a damp 



cloth immediately before milking ... 40 



11. A tank for cooling cream ...... 45 



12. End view of tank shown in Fig. 11 . . .46 



13. The shallow-pan method of cream separation . . 53 



14. The deep-setting method of cream separation . . 53 



15. The water-dilution method of cream separation . 54 



16. A comparison of the amount of butter lost in the 



skimmed-milk of different methods of cream sepa- 

 ration .... . . .55 



17. An early cream separator experiment . . 56 



18. A Burmeister and Wain separator ... 58 



19. The first Sharpies factory separator ... 61 



20. The first Sharpies hand separator .... 62 



21. The first Sharpies tubular factory separator . . 62 



22. The first Sharpies tubular hand separator ... 63 



23. Modern Sharpies tubular turbine factory separator 64 



24. The new Sharpies suction-feed hand separator . 64 



25. A simplex hand separator 65 



xiii 



