64 



EXPERIMENT STATION. 



[Jan. 



not less than thirty days to make the necessary improvements. At the 

 expiration of that time the director may order a second inspection, 

 the cost of which shall be borne by the operator or by the person, 

 firm or corporation employing him, and if the required improvement 

 has not been made, the director is empowered to notify in writing 

 said operator, or the person, firm or corporation employing him, that 

 his cei'tificate of competency is revoked. In ease of any subsequent 

 violation the said director may revoke the certificate of competency 

 without giving the notice aforesaid. 



(2) Testing Glassware. 

 During the past year -^,071 pieces of glassware were examined, 

 of which 4f8 pieces, or 1.06 per cent., were inaccurate. Follow- 

 ing is a summary of the work for the nine years that the law 

 has been in force : — 



Year. 



Number of 

 Pieces tested. 



Number of 



rieces 

 Condemned. 



Percentage 

 Condemned. 



1901, 

 1902, 

 1903, 

 1904, 

 1905, 

 1906, 

 1907, 

 1908, 

 1909, 



Totals, 



5,041 

 2,344 

 2,240 

 2,026 

 1,G65 

 2,4.57 

 3,082 

 2,713 

 4,071 



291 

 56 

 57 

 200 

 l;)7 

 763 

 204 

 33 

 43 



5.77 

 2.40 

 2.54 

 9.87 

 11.83 

 31.05 

 6.62 

 1.22 

 1.06 



25,639 



1,844 



7.19« 



The passage of this law has prevented 1,844 pieces of in- 

 accurately graduated glassware, representing 7.19 per cent., of 

 the entire number tested, from coming into use. 



(3) Inspection of Bahcoch Machines. 

 In 1 !)()!, at the time of the first annual inspectifni, there were 

 in Massachusetts 40 creameries and milk depots using the 

 Babcock test as a basis for fixing the value of milk and cream. 

 Owing to the increasing demand for milk, many creameries 

 have either suspended operations or have been bought up by 



> Average. 



