Andrews, F. Emerson.
3939.426=**E.5129.291 New numbers.
How acceptance of a duodecimal (12) base would simplify mathematics. [1st edition.]
New York. Harcourt, Brace & Co. [1935.] 168 pp. Illus. Tables. 20,5 cm,
A list of references, pp. 143-146.
Two copies on call-number 3939.426,.
This card was printed at the Boston -_
Public Library December 4, 1935. Do286 — T.r. — Duodecimal system.