Published by National Academy of Sciences, 1927
Seller: JF Ptak Science Books, Hendersonville, NC, U.S.A.
Soft cover. Condition: Fine. Offprint from the Proceedings of the National Academy of Sciences, vol 13, no. 2, pp 60-65, February, 1927. Original wrappers. Signed, "Compliments of the Author". (Witmer was at the Jefferson Physical Lab, Harvard.).
Published by National Academy of Sciences, 1927
Seller: JF Ptak Science Books, Hendersonville, NC, U.S.A.
Soft cover. Condition: Very Good. Enos E. Witmer. "The Quantization of the Rotational Motion of the Polyatomic Molecule by the New Wave Mechanics" offprint from "Proceedings of the National Academy of Sciences of the United States of America," Vol. 13, No. 2 (Feb. 15, 1927), pp.60-65. Original wrappers VG condition. Signed in pen on front wrapper "Compliments of the author".