122 



STATE BOARD OF AGRICULTURE. 



Souring 



of 



tensive investigations on "Bacterial Associations in the 

 Milk" b}' Miss Farrand and myself. 



In addition to the above work, we are recommending the publication 

 of several articles which possess a technical nature, and are of interest 

 to investigators only; they may prove of much value to those who are 

 seeking information in these matters. 



CHARLES E. MARSHALL, 



Bacteriologist. 

 East Lansing, June 30, 1908. 



CREMATING FURNACE. 



CHAS. E. MARSHALL. 



V 



e 5 



■■^■ 





H 



It has always been a matter of no little concern for this bacteriological 

 laboratory to dispose of its refuse, including infected dead animals. 

 In the past, various means have been emploj'ed, but none so success- 

 ful as the present. Complete combustion of material is desirable and 

 most economical, providing fire can be so applied as to accomplish 

 thorough destruction. 



In the use of furnaces, it has been found necessary to either throw 

 the flame doAvn upon the material by forced draft, or submit to the 

 inconvenience experienced by the burning out of grates when the fire 

 is placed below. It has never been our experience to witness cremation 

 in laboratories where it has been successfully accomplished by a flame 

 thrown down fi'om above, or forced draft, unless considerable space 

 is occupied or expense involved. Again when the flame is nmde to lap 

 down upon surfaces upon which rests the material, considerable force 



