148 CHEESE AND CHEESE-MAKING 



third contributor has sent in 20 gallons daily, 

 containing 4 per cent of fat. Now we shall see 

 how the account stands 



GALLONS. DAYS. PER CENT. DEGREES. 



A ... 60 ... 90 ... 3-2 ... 1,728 



B ... 30 ... 90 ... 3-5 ... 945 



C ... 20 ... 90 ... 4*0 ... 720 



Remaining contributors ... 34,300 



37,693 



Each degree of fat is shown to be worth 2'86d., 

 so that C, who has contributed i per cent of fat 

 more than the minimum permitted, becomes 

 entitled to 8 us., multiplying the 720 by 2-86. 

 He receives more than the full penny allotted, 

 whereas, had his milk failed to reach more than 

 3 per cent he would not have received a single 

 shilling. This plan, which is ingenious and prac- 

 tical, is of American origin, and if we do not 

 think our cousins equal us in the quality of their 

 produce, they at least exhibit much greater skill 

 and originality in their system of management. 

 Let us take another system. Assuming that the 

 whole of the milk delivered to the factory is of 

 good quality, it is paid for in accordance with 

 the butter actually produced. As it is impos- 



