1912.1 



PUBLIC DOCUMENT — No. 31, 



65 



petted is as a matter of convenience and on the supposition that 

 18 cubic centimeters of cream or IT. 6 cubic centimeters of milk 

 will weigh 18 grams. It is difficult and often practically im- 

 possible to get exactly 18 grams of sour milk or thick cream with 

 the use of the pipette. 



4. In reading the mllh test include the entire fat column. In 

 cream tests read from the lowest ])oint of the fat column to the 

 bottom of the upper meniscus or curve. In case of cream tests, 

 if the entire fat column is included the reading will be about 1 

 per cent, too high. 



Summary of Dairy Inspection. — During the year 15 candi- 

 dates have been examined and given certificates to operate the 

 Babcock test. Four thousand, four hundred and sixty-six pieces 

 of glassware have been examined for accuracy and only 12 

 have been condemned, a smaller percentage than for any preced- 

 ing year. 



Following is a summary for the eleven years the law has been 

 in force : — 



Year. 



Number of 

 Pieces tested. 



Number of 



Pieces 

 condemned. 



Percentage 

 condemned. 



1901, . 



1902, . 



1903, . 



1904, . 



1905, . 



1906, . 



1907, . 



1908, . 



1909, . 



1910, . 



1911, . 

 Totals, 



5,041 

 2,344 

 2,240 

 2,026 

 1,065 

 2,457 

 3,082 

 2,713 

 4,071 

 4,047 

 4,466 



34,152 



291 



56 



57 



200 



197 



703 



204 



33 



43 



41 



12 



1,897 



5.77 



2.40 



2.54 



9.87 



11.83 



31 05 



6.02 



1.22 



1.06 



1.01 



.27 



5.56' 



The testing outfits in 30 creameries and milk depots have 

 been inspected. Nine of these, an exceptionally large number, 

 required reinspeetion. A machine that vibrates badly, caused 



Average. 



