308 ILLINOIS STATE DAIRYMEN'S ASSOCIATION 



small boiler their fuel bill can be materially reduced. The size 

 of the gasoline engine that is necessary will vary from six to 

 ten horse-power, and the boiler used in connection with, it 

 would vary in size from eight to twenty horse-power. The 

 size of gasoline engine needed will depend on the amount of 

 machinery used in the creamery, while the size of boiler needed 

 will depend on whether cream is pasteurized or not. It is, how- 

 ever, best to install a boiler large enough to take care of any 

 increase in business for some time to come. 



It is always advisable to buy a horizontal boiler, even 

 though it is of small size, as it is more economical than an 

 upright boiler. 



In the whole milk creamery it is best to continue using the 

 steam engine, as it is a little more dependable where the farmer 

 has to wait for his skim milk, an<J then considerable steam is 

 used for heating the skim milk, and the exhaust from the steam 

 engine can be utilized for this purpose. There are, however, 

 some creameries handling whole milk that use gasoline power 

 with good results. 



Setting Machinery. 



All machinery should be set with a view of having the 

 creamery as sanitary as possible, and it is just as easy to set the 

 machinery so the floor under it can be cleaned daily as it is to 

 set it so that dirt will accumulate under it, with little or no 

 chance to get at it. The separators, for instance, can be set on 

 legs made of ordinary gas or steam pipes ; or, still better, cast- 

 ings. This does away with the foundations so commonly used, 

 and gives a chance to scrub under the separators whenever the 

 rest of the floor is scrubbed. 



The Tester. 



The tester may be placed wherever it is convenient. It 

 should, however, always be located where there is plenty of 

 light, as testing is a part of the work that must be done as 

 accurately as possible. It is sometimes convenient to have the 



