Sugar and Acid in Grapes, at Denison, Texas, in Sandy Soil, in 1906 (an 

 excessively wet and cool season) , and in 1907 (a much drier 



and warmer season) 



Oeschle's Scale was used to Test for Sugar, and TwitchelPs Acidometer for Acid. 

 Balling's Scale, Divide Oeschle's Readings by 3.9 



To Get 



-124 



