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 reqnired improvement 

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

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

 his certificate of competency is revoked. In case 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 4,071 pieces of glassware were examined, 

 of which 43 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 



Pieces 

 Condemned. 



Percentage 

 Condemned. 



1901, 

 1902, 

 1903, 

 1904, 

 1905, 

 1906, 

 1907, 

 1908, 

 1909, 



Totals, 



5,041 

 2,344 

 2,240 

 2,026 

 1,665 

 2,457 

 3,082 

 2,713 

 4,071 



25,639 



2'Jl 



56 



57 



200 



107 



763 



204 



33 



43 



1,844 



6.77 

 2.40 

 2.54 

 9.87 

 11.83 

 31.05 

 6.62 

 1.22 

 1.06 



.19> 



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

 accurately graduated glassware, representing 7. ID per cent., of 

 the entire number tested, from coming into use. 



(3) Inspection of Bahcock Machines. 

 In 1901, at the time of the first annual inspection, there were 

 in Massachusetts 40 creameries and milk de])ots using the 

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

 Owiug to the increasing demand for milk, many creameries 

 have cither suspended operations or have been bought u]) ])y 



I Average. 



