IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Object EM*N-08430 consists of radon ...

The Royal Society, January 27. E. GLTJCKAUF and F. A. PANETH: Identification and measurement of helium formed in beryllium by gamma rays. While it has been known for some time that the beryllium ...

WE have compared the capture cross-sections of a number of nuclei, for neutrons of 220 and 900 keV. The neutrons were produced by placing 400 me. of radiothorium (contained in a platinum cylinder 5·5 ...