ANNUAL REPORT, 1933 39 



Dairy Law. (P. H. Smith, J. T. Howard, H. L. Allen.) During the year end- 

 ing December 1, 1933, 6,334 pieces of Babcock glassware were tested. Con- 

 demned glassware consisted of three milk-test bottles and one pipette. One 

 hundred and five certificates of proficiency were awarded. 



One hundred and ninety-four creameries, milk depots and milk inspectors' 

 laboratories were visited in order to check methods and pass upon equipment 

 in use. As a result of this inspection, three machines were condemned, and 

 repairs were ordered on seventeen. Seven plants were re-inspected to approve, 

 repairs. Special investigations were made at nine plants. 



Advanced Registry Testing. (P. H. Smith.) Advanced registry testing has 

 been supervised by this department since its beginning in 1902. There are now 

 on yearly test 328 cows located on 51 different farms. This does not include 

 the herd tests where all animals in each herd are placed on test. Of these there 

 are twenty-one, seven of which are supervised by men sent out from this office 

 and fourteen b\' cow-test association supervisors. 



Miscellaneous Work. (P. H. Smith, A. F. Spelman, J. W. Kuzmeski.) Numer- 

 ous anahses have been made for residents of the State and other departments 

 of the college. 



Summary of Miscellaneous Work, 1933 

 Materials sent in: 



Milk and cream, butterfat onh' 182 



Milk, solids and fat 3 



Ice cream 7 



Feeds, from farmers and dealers 80 



Feeds, from State Institutions 121 



For other departments of Experiment Station and College 



Milk, for butterfat 309 



Dry matter, forage crops 2,235 



Complete fodder analyses 84 



Dr\ matter and nitrogen 94 



FERTILIZER CONTROL SERVICE 



H. D. Haskins in Charge 



Fertilizer Inspection. (H. D. Haskins, H. R. DeRose, A. F. Spelman, J. W. 

 Kuzmeski.) Records for the )ear show that 144 firms have registered for sale 

 in the State of ^Massachusetts 495 brands of mixed fertilizer and fertilizing mate- 

 rials and 40 brands of agricultural lime and gypsum. , The following summary- 

 shows the character of these substances, as well as statistics with reference to 

 their inspection. 



