VAN ALLEN , J. A. (+) A. V. GANGNES.

Cosmic-ray intensity above the atmosphere at the geomagnetic equator.

Lancaster, American Institute of Physics, 1950. Lex8vo. Entire volume offered in the original blue wrappers with previous owner´s stamps [C. Møller, Danish physician] to front wrapper. In "The Physical Review" Volume 78, April 1, No. 1, 1950. A fine and clean copy. Pp. 50-51. [Entire volume: Pp. (2), 94].

First printing. Much of the data for the present paper was obtained by the famous Aerobee-rocket launched from New Mexico.

Order-nr.: 46707