Vlii CONTENTS 



Chapter Page 



X. Cost of Power 131 



Steam Power 131 



Gasoline for Power 140 



Kerosene for Power 141 



Electric Power 141 



XI. Pasteurization I43 



A. Cost of Pasteurization 143 



B. The Economic Efficiency of Pasteurizing Machinery. ... 150 

 XII. Cost of Water 158 



A. Power Required for Pumping Water 158 



B. Water Pumps 160 



C. Economy in Pumping Water at the Creamery 162 



XIII. Rent, Depredation, Interest, and Insurance 163 



A. Rent 164 



B. Depreciation 165 



C. Interest 165 



D. Insurance 163 



XIV. The Butter Overrun and the Relation between Chemical Com- 



position of Butter and Overrun 168 



The Butter Overrun 168 



Relation between Chemical Composition of Butter and 



Overrun 170 



XV. Mechanical Losses and Their Influence on Butter Overrun .... 181 



Losses that Occur during the Manufacturing Process 181 



Losses Due to Inaccuracy in Weighing and Testing 188 



Per Cent Overrun which may be Legally Obtained 19s 



XVI. Cost of Manufacturing Butter 198 



XVII. Profits Obtained from the Manufacture of Ice Cream 203 



A. Cost of Material 203 



B. Yield of Ice Cream 218 



C. General Expenses in Manufacturing Ice Cream 221 



XVIII. Marketing of Dairy Products 226 



A. Salesmanship 226 



B. Methods of Marketing 231 



C. Office Records 237 



XIX. Cost of Marketing Dairy Products. . , 245 



A. Cost of Marketing Butter 245 



B. Cost of Marketing Cheese 253 



C. Cost of Marketing Ice Cream 254 



D. Cost of Marketing Milk and Cream 258 



