140 TESTIMONY OF HEEMAN ENDEMANN. 



thermometrical tests, to the tests generally used by tlie Board of 

 Health ? A. I consider that the addition of analysis would elab- 

 orate the results, but whether analysis would benefit the determin- 

 ation of adulteration by water I think is unnecessary. 



Q. Then you think it unnecessary to add analysis to determine 

 adulteration by water, is that it ? A. That is my opinion. 



Q. I ask you if this is a correct extract from your article I have 

 before alluded to : " But the Board of Health does not rely simply 

 upon the lactometer ; when any sample of milk has a specific gravity 

 less than the mark 100 on their instrument, or when a sample of 

 milk presents any appearance of being tampered with, the milk is 

 submitted to chemical analysis " ? A. That is a fact, and shows 

 how thorough they are in proving the adulteration of milk. 



Q. That is a correct extract from your article ? A. That is very 

 correct. 



By Mr. PRENTICE Q. Are you connected with the Board of 

 Health ? A. In no way. 



Q. Have you ever been ? A. Never. 



HEBMAN ENDEMANN, sworn and examined by Mr. Prentice, testified 

 as follows : 



Q. You are a chemist by profession ? A. Yes, sir. 



Q. And have been how many years ? A. I commenced, I think 

 in 1857. 



Q. You took your degree where ? A. In Marburg, in Germany. 



Q. And what has been your course and experience since ? A. I 

 have been for three years as instructor at the Polytechnic School 

 in Stuttgart ; I was for two years private assistant to Professor 

 Chandler at the School of Mines, and after that I was appointed in 

 the Health Department in 1869. 



Q. You have paid attention to this milk question and made 

 experiments and tests? A. Yes, sir. 



Q. The lactometer is a kind of hydrometer ? A. Yes, it is a 

 hydrometer. 



Q. And is the hydrometer an accurate instrument for determin- 

 ing the specific gravity of liquids ? A. Yes, sir. 



Q. Is there any more accurate method of determining the 



