364 



LIVE-STOCK RULES AND RECORDS 



Apparatus required. 



Babcock tester, not less than 10-bottle size, and if to be used in a 

 creamery where steam is available, at least 24-bottle size. Babcock 

 glassware (state brand). At least twice as many test bottles as the 

 capacity of the machine, with acid measure, pipettes, thermometer, etc. 



Sulfuric acid,- - about a pint or two pounds per cow per year. 



Sixty-pound spring balance scales, graded to tenths. 



As many wide-mouth sample bottles as there are cows in the largest 

 herd to be tested. Each bottle should be supplied with a numbered 

 metal band, or otherwise plainly and durably labeled. 



A supply of record blanks, ruled so that the whole record for a cow 

 for a year can be entered upon it. 



The cost of the above should be approximately as follows : — 



Wages of man one year at S50 per month $600.00 



10-bottle Babcock tester, SIO, % original cost each year 2.50 



Extra gla.ssware and breakage 10.00 



125 gal. sulfuric acid at 55 cents gal 67.75 



1 set spring balances 5.00 



4 dozen sample bottles 10.00 



Record blanks 20.00 



S715.25 



