CONTENTS. ix 
PAGE 
FE. Process of Separation... 2.0.0.0... ccc ccc eee eee ees 134 
F, Relative Amount and Richness of Milk and Cream 
Obtained scices cucios eee eats WERE eee ene ed 137 
a. Regulation of the Cream or Skimmed-milk Screw. . 137 
6. “Rate of Inhl6w:..6. conv ecanscene samen cue 138 
C2, SPCC: ch a-audwiion wees saey soueas eee eae Ses 138 
a: Temperatures 0. ae csusae sine nenaced qanie smaiaes wines 139 
G. Conditions Affecting Efficiency of Separators........... 139 
u. Manner of Heating Milk....................... 139 
b. Condition of the Milk.................... se reales 141 
c. Overfeeding the Separator..............000 00005 141 
d. SPGOd isi spe taaateniae Lee eat eden eed mee Cate 142 
e. Steadiness in Running.................00000005 143 
j. Thickness of Cream...................00000008 144 
g. Slush in Bowl... 00... eect ane 144 
h, General Remarks. ... 0.0.0.2... e cece eee eeee 145 
CHAPTER XII. 
FARM SEPARATORS) «io: 6c 5606: 0 ede ioe er elesei ed does wie anes 9S Gide ecb ee 146 
1. Introduction of Farm Separators... ....... 0.02 eee eee 146 
2. Reasons for Introducing Farm Separators. .............00005 147 
3. Objections to Farm Separators, .............0... eee eee eee 152 
4, Thicknéss*of (Creams. ci. oisuik ssp oreaveidi aomean Sadun weak auras 152 
5. Power for Farm Separators... ............0 ese e ee cee eens 155 
6. Care of Cream on the Farm.............. ccc ee eet entree eee 158 
7;. Disposition Of Cream..9 2/3905 «wars ane vexmew eae vaResea ee’ 167 
A, Shipping of Cream, ............ 0.0.0 c cece eee eee eee 169 
B. Making Butter onthe Farm...............000.-ceeeee 169 
CHAPTER XIII. 
PASTEBURIZATION:. § s:gis oda se ee eeu vacee sede oted taney saa Rea 173 
1, Definition, occas sere ccna vad Suthers stiscion teamed Sadek eden 173 
2. Methods of Pasteurization. ........... 0... cee eee eens 173 
Ay INCEMMITED Es wists Sie aes eeu derate Sem ees oad 173 
Bi ContimuGussiae see's says sects e-onion aes ea xaee vider sense 174 
3. Selection of Pasteurizers. ........ 0... cece cece eee ete teens 175 
A. Durability and Capacity. ....... 0.0... ccc cece eee 175 
B. Economic Efficiency... 02... . cece cece cece et ee eens 175 
a. Heating Suriaces.: os ssneec x awed vanes dete sons 176 
b. Degree of Adhesiveness.............-00000eeeee 177 
c. Thickness of Layer of Condensed Steam.......... 180 
d. Difference in Temperature on Each Side of Heat- 
ing Surface, «.< s6c0 ssa. ecees ea wer scien canes 181 
