12 



FERMENTING POWER OF PURE YEASTS. 



Weight at (hr.), 3.30 p. m., 633.92 grams. 



1'Hrinmc of /r.s-/. comparison of pure yeast races of French, German, and 

 American origin with each other and in mixed sowing. 



Conducted by * * * 



Yraxt growth obscrred <it 9 a. m. Oct. 26, 1902. 

 First gas noted, {) a. m. Oct. 26, 1902. 

 Total hour* of experiment, 427. 



Total hour* before fermentation, . 



Total hour* duration of fermentation, 408. 

 Total /o.v.s in grams, 26.30. 

 Avcragr tent iternt lire. L'H.fi C. 

 Range of temperature, 5.0 C. 

 Nry// to chemist, Nov. 11, 1902. 

 Analysis reported, 



Daily observations. 



Analytical data by * * * 

 (Results are given in grams per 100 cc.) 



(Note sheets are attached for record of general observations.) 



OF THE TESTS. 



Some of the ex peri incuts conducted during the past four years 

 seem to be of a striking significance in connection with the develop- 

 ment of the fermentation industries. It appears that the question of 



