This section is from the book "The Volatile Oils Vol2", by E. Gildemeister. Also available from Amazon: The Volatile Oils.
The turpentine of Abies concolor var. Lowiana is light yellow in color and resembles Canada balsam. According to W. C. Blasdale1) it yields 20 p. c. oil; b. p. 155 to 160°; d 0,8578; aD - 7°9'; nD 1,4738.
 
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