612 



Agricultural Journal of Victoria. 



- I 



tested foi' acidity by titration method at time of separating" and at 

 intervals of 15 hours, 20 hours and 72 hours : — 



Milk. 



Strained by Improved Strainer. 



After milking 

 15 hours later 

 20 „ „ 



72 „ „ 



•ISacid 

 •23 „ 



•;^6 „ 



•99 „ 



Strained hv Ordinary Wire Gauze Strainer. 



After milking ... 

 ,, 15 liours ... 



,, 20 



„ 72 „ ... 



•18 acid 

 •28 „ 

 •40 „ 

 1-04 „ 



Samples of cream and skim milk were also kept from same lot and 

 tested at the end of three da^'s. 



Milk Str.'Mnek with Impkoved 

 Milk Strainer. 



Milk Strained with Ordinary 

 Strainer. 



Cream. 

 72 hours after separation ... -76 72 hours after separation ... '81 



Skim Milk. ■ ■ ■ 



72 hours after separation ... -88 72 hours after separation ... l-Ql 



Mr. Archer's Rei-ok'I'. 



The accompanying- ilhistrations show the eifect of the improved 

 strainer on milk. Fig. 1 is a disc of cotton wool before use, and 

 Figs. 2 and 3 are discs through which 4-0 and 20 gallons of milk re- 



spectively have passed, and it will be seen that the last is very much 

 the dirtiest. Both lots of milk had previously been run through five 



